| human intestinal helminthiases in east timor. | in a study of 210 people from all age groups in the venilale district of east timor, 49% had ascaris lumbricoides, 1% trichuris trichiura and 67% hookworm infection. there were high ascaris infection rates among some of the children, but the trichuris and hookworm rates were almost uniformly low. the factors responsible for these rates are enumerated, and the complex interaction of the factors is discussed. the relative lack of shade and the well-drained limestone soil are probably in large meas ... | 1976 | 16349 |
| parasitology survey and seroepidemiology of amoebiasis in south kalimantan (borneo), indonesia. | a parasitology surevy was conducted among inhabitants of 7 villages in 3 regencies in south kalimantan province, indonesia. a total of 2,169 stool specimens, 2,756 blood smears and 1,027 serum specimens were obtained, representing samples from approximately 10%, 12% and 5% of the population, respectively. one to 8 different intestinal parasitic infections were detected in 97% of the people. those parasites most frequently found were trichuris trichiura (83%), ascaris lumbricoides (79%), and hook ... | 1975 | 167454 |
| a survey of intestinal parasitism in a community on the pan american highway route in eastern panama. | a survey of intestinal parasitism was conducted at yaviza, a town in eastern panama's province of darien. single stool specimens from 202 persons, representing 11 percent of the town's total population, were examined. in all, 181 (90 per cent) of the specimens examined were found positive for one or more potentially pathogenic parasites. the most common parasite found was trichuris trichiura, which was observed in 80 per cent of the samples. others were ascaris lumbricoides, in 62 per cent of th ... | 1975 | 167889 |
| parasitic infections in black children in an endemic schistosomiasis area in natal. | urine and stool specimens from 856 school children aged from 7 to 20 years, and from 80 preschool children, were examined for schistosoma haematobium and intestinal helminths and protozoa. s. haematobium was present in 57% with a peak of 81% in 13-14-year-old children. peak intensity preceded peak incidence and egg loads gradually decreased with age. there was no clear-cut difference between boys and girls with regard to intestinal parasites, nor was there a close correlation between the inciden ... | 1977 | 191941 |
| biomedical survey in irian jaya (west irian), indonesia. | a biomedical survey was conducted in several areas of irian jaya, indonesia in july 1972 in association with an investigation of reports of a cholera outbreak. stool specimens, blood smears and sera were collected and examined for evidence of parasitic as well as other infectious diseases. a total of 114 stools were examined and the most commonly found intestinal parasites were trichuris trichiura (94%), ascaris lumbricoides (74%), hookworm (58%), entamoeba coli (15%), endolimax nana (8%), entam ... | 1977 | 208184 |
| [distributions of ascaris lumbricoides, necator americanus and trichuris trichiura in 6 villages of ivory coast (author's transl)]. | results of stool controls (kato's technic) in 425 children from 7 to 14 years old in 6 villages of the south districts of ivory coast. necator and trichuris have a high prevalence (75 p. 100) versus 40 p. 100 for ascaris-trichuris is specially frequent in urban and suburban areas. | 1979 | 225636 |
| egg of trichuris trichiura in a vaginal smear. | | 1978 | 277034 |
| socio-agricultural factors and parasitic infections in the caspian littoral region of iran. | surveys for intestinal parasites in villages in the babol area of the caspian littoral region of iran have been conducted for five years. during this period, mass chemotherapy and individual treatment have been administered. while the overall prevalence of parasitic disease was reduced after these campaigns, reinfection took place repeatedly, and at a rapid rate. this paper re-examines the prevalence of seven helminth species (ascaris lumbricoides), hookworms (ancylostoma duodenale and necator a ... | 1979 | 317393 |
| anthelmintics. | this article describes the drugs used in helminthic infections and their therapeutic indications, mode of action, toxicity and other details of each of the recommended drugs, and discusses the nature and treatment of infection by helminths important in human medicine. infestation due to the roundworms enterobius vermicularis, ascaris lumbricoides and the hookworms, ancylostoma duodenale and necator americanus can all be treated effectively with pyrantel pamoate. for enterobius vermicularis, howe ... | 1977 | 319991 |
| intestinal and blood parasites in the north lore district, central sulawesi, indonesia. | over 1,000 stool specimens from residents of the napu and besoa valleys, central sulawesi, indonesia were examined. schistosoma japonicum was detected in 31% of napu valley residents while in only 2% of the besoa valley residents. hookworm infections were the most frequently encountered helminth parasitisms in both valleys. other helminth parasites encountered were: ascaris lumbricoides, trichuris trichiura, enterobius vermicularis, strongyloides stercoralis, physaloptera sp., diphyllobothrium s ... | 1977 | 335530 |
| human parasitoses of the malili area, south sulawesi (celebes) province, indonesia. | a biomedical survey was conducted in 9 villages in the malili area of south sulawesi, indonesia. blood specimens were examined for malaria and microfilariae; stool specimens were examined for intestinal parasites. malaria parasitemias were rare; plasmodium falciparum was detected in 10 and p. vivax in 11 of 985 blood smears. malayan filariasis was endemic to all villages surveyed. the overall prevalence of detectable microfilaremias was 15%, varying from 34% in kawata to 1% in nuha. microfilaria ... | 1978 | 364674 |
| prevalence of intestinal parasitic infections among inhabitants of tan-nan village, nantou county, taiwan. | the pork infected with cysticerci was sent to our laboratory in june 1971. microscopic examination revealed the infection of cysticercus cellulosae. subsequently, the source of the pork was traced, and the survey of intestinal parasitism was carried out among inhabitants at tan-nan village, hsin-i district, nantou county, taiwan, in august 1973. results obtained only indicated the presence rather than endemic of taeniasis solium in this village. the parasites and infection rates found in the pre ... | 1979 | 397878 |
| intestinal parasitic infestation in urban and rural xhosa children. a comparative study. | evidence of helminthic intestinal parasites was found in 97,0% of stools of 544 xhosa schoolchildren living in cape town. the commonest parasite was trichuris trichiura, which infested 89,9% of the children. in contrast, only 9,8% of 387 xhosa children living in the tsolo district, transkei, had evidence of intestinal parasites in their stools, hymenolepis nana being the commonest. in spite of the unsatisfactory sanitary conditions in the tsolo area compared with those in guguletu, cape town, wh ... | 1979 | 462313 |
| evaluation of mebendazole for the treatment of trichuriasis. | trichuris trichiura was found to cause severe refractory clinical illness in 25 child patients admitted to a rural hospital in northeast queensland over a six-month period. mebendazole produced significant alleviation of symptoms. symptomless carrier states in 70 patients admitted to hospital for other complaints were also studied. thirty-five of these were treated with mebendazole with a notable reduction in worm loads (as measured by stoll egg counts) when compared with the control group. the ... | 1979 | 470773 |
| mass control of ascariasis with single oral doses of levamisole. a controlled comparison in 3,056 subjects between three incomplete population coverages. | ninety-, 60-, and 40-percent population coverages with levamisole 2.5 mg/kg of body weight were compared for their effects on ascaris lumbricoides, ancylostoma, strongyloides stercoralis, and trichuris trichiura infections. they were shown to be effective in maintaining a reduced prevalence of a. lumbricoides in the treated subjects for 9, 6, and 3 months, respectively. nine months after treatment, the prevalence of ascariasis was still lower than before treatment both in the levamisole and in t ... | 1979 | 483364 |
| [a parasitologic survey conducted in touraine (france) in a group of south east asia refugees (author's transl)]. | forty refugees (23 from 5 lao families and 17 from 3 cambodian families) previously and routinely treated against intestinal parasites, underwent stools and serum controls: 77 p. 100 had still intestinal parasites but 61 p. 100 had a normal blood cells count without hypereosinophilia. the parasites so detected were: clonorchis sinensis, heterophyes heterophyes, trichuris trichiura, necator americanus, strongyloides stercoralis, giardia intestinals and entamoeba coli. | 1979 | 530050 |
| [parasitological results of a medico-anthropological research-work at the azande in northeast-zaire (author's transl)]. | among 165 examined azande 118 (71.5%) were found with intestinal helminthic infections: hookworm (69.1%), schistosoma mansoni (13.9%), trichuris trichiura (4.2%), ascaris lumbricoides (1.2%), strongyloides stercoralis (0.6%). the intradermal schistosoma test with a commercial antigen preparation was positive in 63.3% of 147 examinees. protozoa-excretions were found in 62.2% of 151 examines: e. histolytica (27.2%), e. hartmanni (13.2%), e. coli (24.5%), jodamoeba buetschlii (7.3%), endolimax nana ... | 1979 | 543152 |
| [a comparative socio-epidemiological study of families with giardia lamblia, entamoeba coli and trichuris trichiura]. | | 1979 | 571638 |
| intestinal and blood parasites in the banggai kabupaten, central sulawesi, indonesia. | a survey for blood and intestinal parasites was carried out in the banggai kabupaten central sulawesi, indonesia. a total of 336, stool specimens were obtained from 182 males and 154 females ranging in age from 2 to 90 years. hookworm, trichuris trichiura and ascaris lumbricoides were the most common helminths encountered. schistosoma japonicum was noticeably absent in the population sampled. the following intestingl protozoa were detected: entamoeba coli, e.histolytica, iodamoeba bütschlii, gia ... | 1977 | 607427 |
| parasites of man in remote areas of central and south sulawesi, indonesia. | a biomedical survey was conducted in 10 villages in remote, high mountain valleys of central and south sulawesi, indonesia to learn whether oriental schistosomiasis was endemic and to determine the prevalences of other intestinal parasites, malaria and filariasis in those areas. although persons with oriental schistosomiasis were found in three villages of south sulawesi, follow-up inquiries revealed that these had recently migrated from a known schistosomiasis area in central sulawesi. other in ... | 1977 | 607428 |
| biomedical survey in north samar province, philippine islands. | a biomedical survey was carried out in north samar province, philipines to update information on the prevalence of parasitic and other infectious diseases. a total of 1,394 stool specimens, 1,859 blood smears and 1,274 sera were collected from persons living in 8 barrios. stools were examined for intestinal parasites, bloods smears for malaria and filariasis and sera tested for antibodies to schistosoma japonicum, entamoeba histolytica, toxoplasma gondii, influenza a and b, and japanese encephal ... | 1977 | 614707 |
| in vivo effects of mebendazole and levamisole in the treatment of trichuriasis and ascariasis. | the anthelmintic drugs mebendazole (vermox) and levamisole were tested in patients for their possible ovicidal effects on the eggs of trichuris trichiura and ascaris lumbricoides. the patients studied were 20 africans of sierra leone, and 11 children of nassau, bahamas. egg counts were made before treatment, and for 5 consecutive days following treatment. eggs were incubated in 2.5% aqueous potassium dichromate and percentages of larval development were determined. mebendazole completely inhibit ... | 1978 | 626274 |
| studies on the intestinal parasites in african patients in owamboland, south west africa. | the paper gives the results of a survey of intestinal parasites among 501 in-patients drawn from four mission hospitals in owambo and kavango in northern south west africa. most of the patients (90%) were examined twice by the formol-ether concentration method, while the remaining 10% had one stool specimen examined. 10 species of helminths and 3 species of potentially-pathogenic protozoa were recorded--necator americanus, strongyloides stercoralis, strongyloides fuelleborni, hymenolepis nana, t ... | 1978 | 635971 |
| a comparative study of the effect of oxantel-pyrantel suspension and mebendazole in mixed infections with ascaris and trichuris. | a comparative trial was carried out in 4 orphanges in seoul, to compare the anthelminthic efficacy of oxantel-pyrantel suspension and mebendazole tablets against mixed infections of ascaris lumbricoides and trichuris trichiura. 40 patients were divided into 4 groups and received oxantel-pyrantel suspension at 15 or 20mg/kg once only or on 2 consecutive days. another group of 20 patients was treated with 100mg of mebendazole twice a day for 3 days. both drugs achieved a 100% cure rate for ascaris ... | 1978 | 657997 |
| the prevalence of intestinal helminthiasis among the qashqai tribe in southern iran. | the prevalence and the intensity of intestinal helminthiasis in the qashqai tribe of southern iran were studied. infection with ascaris lumbricoides and trichuris trichura was low (6.1 and 0.8 per cent respectively) while the prevalence of trichostrongylus was 27.6 per cent of the total stool samples examined or 63.2 per cent of the total intestinal parasites found. this might be due to the mode of life of the tribe and the proximity of its people to domestic animals. | 1978 | 683695 |
| [anthelmintic and ovicidal effects of thiabendazole against the adults and the eggs of human nematodes, ascaris lumbricoides and trichuris trichiura (author's transl)]. | | 1978 | 730104 |
| [clinical and epidemiological aspects of human trichostrongyloidosis]. | in the course of parazitological investigations in a rural environment, including 2349 subjects, infestation with different helminths was found in 927 persons (39%), i.e. in 49.9% with ascaris lumbricoides, in 24.1% trichuris trichiura, in 4.2% strongyloides stercoralis, in 3.6% giardia intestinalis, in 2.1% enterobius vermicularis and in 1.6% trichostrongylus. there were several cases of associated parasites : ascaris-trichuris in 11.1%, ascaris-trichostrongylus in 0.2%, trichostrongylus-trichu ... | 1978 | 749147 |
| chemotherapy of helminthiasis among wild mammals. iv. efficacy of flubendazole 5% (r17889) against trichuris trichiura infection of baboons, papio hamadryas l. | flubendazole 5%, a parafluor analog of benzimidazole derivative, mebendazole, was found efficient in eliminating trichuris trichiura infection of baboons when administered orally at a dose rate of 27 to 50 mg of the active ingredient per kg body weight twice daily for five days. the drug was found safe, without toxic effects and its palatability was excellent. | 1978 | 754549 |
| disease agents carried by flies in dacca city. | studies were conducted to determine the different disease agents naturally carried by flies in dacca city by collecting outdoor unbaited flies from 8 different representative locations and identifying the agents in the laboratory. out of 96 fly pools containing 25 flies each, 62.5%, 46.9%, 15.6%, 8.3%, 8.3%, 15.6% and 6.2% of the pools were found positive for ascaris lumbrioeides, trichuris trichiura, hookworm, enterebious vermicularis eggs and entamoeba coli, trichomonas spp giardia spp. cysts, ... | 1978 | 757347 |
| parasitic infections in humans in west kalimantan (borneo), indonesia. | a survey was carried out among inhabitants of eight villages in west kalimantan province (borneo), whereby blood smears were examined for malaria, stools examined for intestinal parasites and sera tested by the indirect hemagglutination test for antibodies to entamoeba histolytica and toxoplasma gondii. the prevalence of malaria among 3017 people examined was 5.6% (plasmodium vivax 2.8%, plasmodium falciparum 2.8%). brugia malayi microfilariae were found in 3.6% and wuchereria bancrofti in 0.3%. ... | 1976 | 788263 |
| mebendazole in the treatment of severe symptomatic trichuriasis in children. | mebendazole (methyl-5-benzoylbenzimidazole-2-carbamate), a new broad spectrum anthelmintic, cured 26 (74% out of 35 children) with severe symptomatic trichuriasis. repeat course of therapy were necessary in some cases. the nine treatment failures all showed large reductions (82-99%) in egg counts. thus, an overall satisfactory response was obtained in terms of complete parasite eradication in 74%, relief of symptoms in all, and significant reduction in worm load in the failures. in the recommend ... | 1977 | 848642 |
| prevalence of intestinal helminths among patients admitted to the balik pulau district hospital on penang island. | faecal samples from patients admitted to the district hospital in balik, pulau, penang revealed high infection rates for ascaris lumbricoides, trichuris trichiura and hookworms. the prevalence rates were trichuris trichiura 51.7%, ascaris lumbricoides 31.9% and hookworm 37.2%. the overall highest infection is among the malays (79%), the least being among the chinese (61.1%). the prevalence of ascaris lumbricoides was highest in the 11-20 age group. the prevalence of trichura was highest in the 5 ... | 1977 | 918716 |
| [the results of copro parasitological investigations in two poor districts in ankara]. | 542 stools were examined for intestinal helminths. 97 of them showed parasitic infestation. the number and percentages of the species found are shown below, ascaris lumbricoides 39 7.4%, hymenolepis nana 24 4.4%, enterobius vermicularis 16 3.0%, taenia saginata 4 0.8%, trichuris trichiura 12 2.2%. the helminthological diagnosis is based on the enrichment methods of flotation. | 1976 | 933901 |
| parasitology survey in northern sumatra, indonesia. | a parasitology survey was conducted in five villages in north sumatra, indonesia. a total of 3,207 blood smears, 2,066 stool specimens and 969 sera were examined. sixty (1.9%) inhabitants had malaria (plasmodium vivax 41, p. falciparum 19), and 20 had brugia malayi microfilaraemia. the most common intestinal helminths were trichuris trichiura (87%), ascaris lumbricoides (75%) and hookworm (58%). other helminths found in low numbers were enterobius vermicularis, strongyloides stercoralis, taenia ... | 1976 | 950682 |
| mebendazole in the treatment of helminthiasis. | mebendazole, a new broad-spectrum anthelmintic, was used to treat patients with nematode infections--ascariasis, trichuriasis and hookworm. the dosage for adults was 100 mg twice daily for 3 days and for children, 50 mg twice daily for 3 days. pretreatment and post-treatment egg counts on stool specimens showed that after mebendazole there was a reduction of over 99% in egg count per gram of stool in all three types of infection. the overall cure rates for the infections were as follows: ascaris ... | 1976 | 974969 |
| treatment for trichuriasis with oxantel. | single doses of oxantel given to 24 children and 37 adults with light to moderate infections of trichuris trichiura effected cures in 20 of 26 (77%) trials with 10 mg/kg body weight, in 23 of 25 (92%) with 15 mg/kg, and in 10 of 10 trials with 20 mg/kg. in cases not cured, the egg-counts were reduced 50% to 91%. side effects were not observed, and no drug-associated changes were detected by biochemical, hematologic, and urine examinations before and after treatment. | 1976 | 1008134 |
| [influence of trichuris trichiura and anthelminthic drugs on bacterial flora of the intestines in patients with trichocephaliasis]. | | 1976 | 1023404 |
| parasitological survey in gorontalo north sulawesi, indonesia. | a survey for blood and intestinal parasites was carried out in the municipality of gorontalo on the minahasa peninsula of north sulawesi. a total of 156 stool specimens were obtained from 83 males and 73 females. trichuris trichiura, ascaris lumbricoides, hookworm, unidentified dicrocoeliid-like ova and entamoeba coli, in that order, were the most common intestinal parasites detected. other intestinal parasites found less frequently were entamoeba histolytica, iodamoeba bütschlii, endolimax nan ... | 1976 | 1030844 |
| intestinal and blood parasites of man in bireuen and takengon, aceh province, sumatra, indonesia. | a survey for blood and intestinal parasites was carried out in aceh province of north sumatra, indonesia. a total of 348 stool specimens were obtained from 167 males and 181 females ranging in age from 6 months to 70 years. over 98% of the population sampled were found infected with at least one intestinal parasite. ascaris lumbricoides, trichuris trichiura, hookworm and entamoeba coli, in that order, were the most common parasites detected. other intestinal parasites found less frequently were ... | 1976 | 1030850 |
| biology of soil-transmitted helminths: the massive infection. | soil-transmitted helminth infections when light-to-moderate usually are well tolerated, but heavy-to massive infections invariably cause disease. a massive infection with ascaris lumbricoides may cause intestinal obstruction, liver abscess, or some other condition requiring surgical treatment; more regularly, however, ascaris disease is a form of malnutrition. trichuris trichiura causes diarrhea and dysentery and, at times, rectal prolapse. the hookworms, necator americanus and ancylostoma duode ... | 1975 | 1052507 |
| the treatment of soil infested with the human whipworm, trichuris trichiura. | the soil fumigants methyl bromide, chloropircrin and basamid or mixtures of basamid and chloropicrin proved to be of no use in filling t. trichiura ova in soil. however, on untreated plots the eggs died at a rate such than only 20% of the ova remained viable after 18 months. | 1976 | 1069817 |
| a study of human intestinal helminthiases on kar kar island, madang province. | this paper reports the results of an epidemiological survey of intestinal helminths in a village on kar kar island, madang province. samples of blood and faeces were collected from 320 people from all age-groups living in 51 houses in kaul village. three helminth species were recorded: ascaris lumbricoides infections were highest and heaviest in childhood, and fell to low levels in adult life, the overall infection rate being 57%. more than 70% of the adult population were infected with necator ... | 1976 | 1072172 |
| treatment of trichuriasis with a new drug, mebendazole. | effectiveness of mebendazole, a new anthelminthic drug recommended for treatment of trichuris trichiura infection, was evaluated in 50 children attending a pediatric outpatient clinic in new york city. mebendazole, 100 mg. administered orally twice daily for three days resulted in an apparent cure of 48 children. posttreatment stools of the remaining two children had a substantial reduction in the number of eggs. a second course of treatment, identical to the first, led to the elimination of egg ... | 1975 | 1113237 |
| clinical trials with metronidazole in human balantidiasis. | therapeutic activity of metronidazole against balantidium coli was evaluated by using two drug regimens in 20 human cases of balantidiasis. all patients also harbored trichuris trichiura. children received a total amount of drug that varied from 2.5 g during 5 days to 7.5 g in a period of 10 days. adults were given 5 g in 5 days or 12.5 g during a period of 10 days. in all patients b. coli disappeared after the 4th day of treatment. frequent posttreatment stool examination remained negative. all ... | 1975 | 1190365 |
| [infestation with intestinal helminths in the inhabitants of the city of dresden]. | it is reported on the data of helminthological investigations performed on 1323 dresden inhabitants at the age of 14 to 70 years. furthermore the notifications of the affections with tapeworm which had come into the district hygiene inspection of dresden were evaluated. an affection with ascaris lumbricoides of 1.2%, with trichuris trichiura of 1.6%, with enterobius vermicularis of 14.5% and with taeniarhynchus saginatus of about 1% were proved. in the case of enterobius vermicularis the for the ... | 1975 | 1199279 |
| prevalence of intestinal parasites in latino residents of chicago. | in 1970, 250,000 spanish-speaking persons resided in chicago, 80,000 of whom were puerto rican. because migration to chicago is constantly occurring from areas where intestinal parasites are endemic, a survey was conducted in a predominantly puerto rican neighborhood to determine the prevalence of these parasites and to provide impetus for further case finding and treatment programs. the survey was part of an epidemiologic and cutreach workers going door-to-door obtained histories, hematocrits, ... | 1975 | 1202954 |
| intestinal parasites in university of dacca students. | nine hundred and thirty three students of dacca university were examined: mean haemoglobin levels were 80.5 per cent for men and 70.0 per cent for women. five hundred and thirty three (57.3%) of the students had single or multiple intestinal parasitic infections, of which ascaris lumbricoides (366), entamoeba histolytica (113) and trichuris trichiura (99) were the commonest. it is suggested that chronic nutritional deficiencies are compounded by these parasites, leading to low weights, and low h ... | 1975 | 1214308 |
| [evaluation of helminth carrier rates among foreign workers (author's transl)]. | the evaluated helminth carrier rate among foreign workers give rise to many problems under socio-economic, hygienic and occupational aspects. the evaluation of helminth infestation is connected with considerable uncertainty. based on the author's examinations these problems are critically investigated from the point of view of both, the employer and the employee. it is shown in tables that in the institute of hygiene and microbiology of würzburg during 1973/1974 497/702 respectively faecal exami ... | 1975 | 1214697 |
| a comparison of post-mortem analysis of helminths with faecal egg counts. | intestinal helminth infections are very common amongst residents of the colombo area. most common by post-mortem examination of 104 cases of sudden death were trichuris trichiura (97.1%), necator americanus (88.5%), enterobius vermicularis (77.9%) and ascaris lumbricoides (40.4%). trematode and cestode infections were not encountered except a single case of h. diminuta infection. a comparison of the results obtained by the direct smear method for examining stools missed cases harbouring gravid f ... | 1975 | 1216302 |
| parasitological studies at a new breeding area of oncomelania hupensis chiui in taipei county, taiwan. | oncomelania hupensis chiui was found at the jui-ping area, linkow district, taipei county, taiwan, which is located on the north coast of the island approximately 10 km of the mouth of the tamasui river. the habitat of the snails at this area is similar to the type locality at alilao, on the slope of the hills along of coast. the snails from this new breeding area, are similar to the alilao snails, and are highly susceptible to the infection with geographic strains of schistosoma japonicum inclu ... | 1975 | 1243115 |
| the relationship between trichuris trichiura (linnaeus 1758) of man and trichuris suis (schrank 1788) of the pig. | studies were made on the relationship between trichuris suis of the pig and t trichiura of man. comparative morphological and developmental studies revealed differences in sizes of the eggs and infective first stage larvae, in the rate of development to the infective larval stage and in development within young pigs following experimental infection. successful cross infections of man with t suis ova and of pigs with t trichiura ova were achieved for the first time. t suis eggs recovered from one ... | 1976 | 1257627 |
| haemoglobin concentrations and concomitant infections of hookworm and trichuris trichiura in panamanian primary schoolchildren. | the blood haemoglobin concentrations and intestinal helminth infections were surveyed in 658 children aged between 6 and 12 years attending 4 primary schools in coclé province, panama, in november 1987. 147 (22.3%) of the children were judged to have haemoglobin concentrations indicative of iron-deficiency anaemia. blood haemoglobin concentrations were significantly lower in children with heavier trichuris trichiura infections (> 5000 eggs/g) (p = 0.014), and in children with dual infections of ... | 1992 | 1287935 |
| trichuris trichiura and the growth of primary schoolchildren in panama. | | 1992 | 1287936 |
| [the use of sodium azide as a fecal preservative for studying the eggs of schistosoma mansoni and of other helminths by the kato-katz method: a study in an endemic area]. | in two aliquots of 208 samples of stool, tests have been made by the kato-katz method, one being made after the use of 0.2mg of sodic azide for 200mg, and the other without the aforesaid conservant. the resulted percentages with or without the conservant were, respectively, for ancylostomideos: 12.5 and 25.9; for ascaris lumbricoides: 71.6 and 72.5; for schistosoma mansoni: 7.6 and 17.7, and for trichuris trichiura: 86 and 85. the count of the eggs with and without the conservant was, respective ... | 1992 | 1308947 |
| [the prevalence of intestinal parasitoses among the users of the health center of sousas district, campinas, são paulo (1986-1990)]. | the prevalence of intestinal parasites was carried on users of the health center of sousas district, campinas, sp (1986-1990). from 770 observed medical records we verify 114 positive cases (14.8%) for protozoa, helminths and commensals. ascaris lumbricoides (48.2%), giardia lamblia (30.7%), trichuris trichiura (18.4%) and enterobius vermicularis (9.6%) were more prevalent in preschool children. the adults, what are the most numerous class, appeared few parasitised. the other parasites and comme ... | 1992 | 1308950 |
| [inflammatory-type malignant fibrohistiocytoma of the mesocolon associated with colonic parasitosis due to trichocephalus]. | a case of inflammatory malignant fibrous histiocytoma of the mesocolon is reported. the lesion presented as a right lower quadrant abdominal mass, located at the mesocolon, with obstructive symptoms and accompanied by a severe infestation by trichuris trichiura. it had a benign histologic appearance and was considered initially as an inflammatory and necrotic process with severe tissue eosinophilia secondary to the severe parasitosis. the tumor relapsed 13 months later at the anastomotic site an ... | 1992 | 1325819 |
| sedimentation in parasitological coproscopy. | a sedimentation technique is described, in which a fecal suspension is placed on top of an aqueous sucrose solution of specific gravity 1.015 g/cm3. using 100 by 15 mm test tubes, duplicate gravity sedimentation experiments were made using homogenized fecal suspensions (single-columns) and fecal suspensions placed on top of clear columns (double-columns). egg and cyst counts, and turbidity determinations were made in the sediments obtained after definite time intervals. most ascaris lumbricoides ... | 1992 | 1342080 |
| [a comparison of 3 single-dose plans for mebendazole in the treatment of trichuriasis]. | people infected by trichuris trichiura were selected in a community by the kato-katz technique. the study included a universe of 376 persons, male and female, positive and asymptomatic, monoparasitic and multiparasitic. they were divided in treatment groups with not less than 50 people. monoparasitic patients were treated with 500, 400 and 300 mg of mebendazole, and multiparasitic patients with 500 and 400 mg of mebendazole. in all the cases the drug was used in single doses and its administrati ... | 1992 | 1344682 |
| trichuris trichiura infection and mental development in children. | | 1992 | 1346859 |
| hookworm infection among the melka sedi banana plantation residents, middle awash valley, ethiopia. | a study of intestinal parasites was done among the people who lived within the banana plantation zone of the melka sedi agricultural enterprise, awash valley, ethiopia in april 1987. the methods of parasite detection were the ritchie formal ether and the charcoal culture method for hookworm larvae species identification. from the total 633 population, 311 were examined at random of whom 60.8% were positive for one or more intestinal parasites. eight parasites were encountered, ascaris lumbricoid ... | 1992 | 1396614 |
| predisposition to reinfection by intestinal helminths after chemotherapy in south thailand. | rates of reinfection by the intestinal helminths hookworm, ascaris lumbricoides and trichuris trichiura after chemotherapy were studied in two villages in phang-nga province, southern thailand. it was found that intensity of infection levels attained after reinfection correlated positively with pretreatment intensities of infection for all parasites. this implies that certain persons in the community are predisposed to receiving high numbers of worms, due either to environmental or personal risk ... | 1992 | 1428513 |
| [a survey of intestinal parasites of the foreign laborers (indonesians and filipinos) in ishikawa prefecture]. | a survey of intestinal parasites was conducted on 198 foreign workers aged 19-27 from inodonesia and philippines. they work for a private company in ishikawa prefecture as technical trainee. on the base of stool examination, 94 (71%) out of 133 indonesians and 48 (74%) of 65 filipinos had intestinal helminths and/or protozoan infections. the prevalence of ascaris lumbricoides, trichuris trichura and hookworm was 4.5, 64.1, 10.6%, respectively. in addition, the positive rate of the cyst of entamo ... | 1992 | 1431385 |
| comparative prevalences of ascaris lumbricoides, trichuris trichiura and hookworm infections and the prospects for combined control. | programmes to control ascaris lumbricoides, trichuris trichiura and hookworm infections have often been targeted at each infection separately, but the advent of benign and broad-spectrum anthelmintics suggests that combined control may be feasible. the extent to which the infections co-occur in communities will determine the need for, and potential benefits of, such a combined approach. this paper examines the comparative distribution of the three geohelminths in different geographical areas and ... | 1992 | 1437273 |
| the effect of repeated chemotherapy on the prevalence and intensity of ascaris lumbricoides and trichuris trichiura infection. | the prevalence and intensity of intestinal nematode infections were assessed during 3 anthelminthic interventions in an urban community in malaysia. the prevalence levels of ascaris lumbricoides at interventions 1, 2 and 3 were 30.6%, 18.9% and 15.5%, respectively and the mean intensities were 1.9, 0.75 and 0.81 worms per person. for trichuris trichiura, the prevalence levels at interventions 1, 2 and 3 were 46.9%, 21.6% and 15.7%, respectively. the mean intensities for t. trichiura at intervent ... | 1992 | 1439974 |
| cryptosporidiosis among patients with acquired immunodeficiency syndrome in zulia state, venezuela. | we studied the prevalence of cryptosporidium in 29 patients with acquired immunodeficiency syndrome (aids) from zulia state, venezuela. they ranged in age from five months to 46 years. two were children and 27 were adults, of which six were women. of the 21 men, 66.6% reported homosexual behavior. three stool samples from each patient were examined, and modified ziehl-neelsen carbolfuchsin staining of formalinether stool concentrates was used to identify cryptosporidium oocysts. to detect the pr ... | 1992 | 1449198 |
| the prevalence and intensity of soil-transmitted helminthiases in rural communities in southern nigeria. | an investigation of the prevalence and intensity of soil-transmitted helminthiases was undertaken in four villages in oyo state, nigeria. diagnosis was based on examination of stool samples for the presence of helminth ova in all age classes. the prevalence of ascaris lumbriocoides ranged from 61.5-72.2%, of trichuris trichiura from 65-74%, and of hookworm from 52.4-63% depending on the village concerned. intensity, assessed indirectly as the mean eggs per gram of faeces (epg), varied with regar ... | 1992 | 1449276 |
| human helminthosis in a rural community of plateau state, nigeria. | urine and faecal samples were obtained from 1,517 people in fier, a typical rural village in plateau state, nigeria, for a parasitological survey among the population. 643 (42.39%) persons were found to be infected with altogether 9 helminths, namely: ascaris lumbricoides, hookworm, taenia sp., trichuris trichiura, enterobius vermicularis, schistosoma mansoni, s. haematobium, hymenolepis nana and strongyloides stercoralis. age and religion as opposed to sex, type of sewage system, and type of ho ... | 1992 | 1456465 |
| evaluating measures to control intestinal parasitic infections. | intestinal parasitic infections are among the most common infections of humans in developing countries, but the resources available for their control are severely limited. careful evaluation of control measures is essential to ensure that they are cost-effective. the evaluation of the effects of control on intestinal helminths and intestinal protozoa requires an understanding of the different epidemiological patterns of these two groups of parasites. the transmission dynamics and morbidity assoc ... | 1992 | 1462652 |
| prevalence of entamoeba histolytica and other intestinal parasites in a community from maracaibo, venezuela. | the prevalences of entamoeba histolytica and other intestinal parasites were assessed in a suburban community of maracaibo, venezuela, by examination of a stool specimen from each of 342 individuals, using iron-haematoxylin stained faecal smears and formalin-ether concentration. the overall parasitic infection rate was 80.4%, and 65.8% of the population had multiple infections. the overall amoebic infection rate, which was highest in female adults, averaged 39.7%. the e. histolytica infection ra ... | 1992 | 1463357 |
| a survey of the intestinal helminths of refugees in juba, sudan. | a parasitological survey of refugees based in juba, sudan, involving 241 faecal samples, revealed that 66% of the population harboured intestinal helminths. the most commonly found infection was hookworm (36%), followed by schistosoma mansoni (26%), strongyloides stercoralis (20%), hymenolepis nana (11%), ascaris lumbricoides (1.2%), trichuris trichiura (0.8%) and taenia sp. (0.4%). many of the specimens (42%) harboured a single infection, 21% had double, 2% triple and 1% quadruple infections. p ... | 1992 | 1463359 |
| influence of intestinal parasitism on lactose absorption in well-nourished african children. | hydrogen breath tests were performed in gabon (central africa) after a loading dose of lactose in 67 well-nourished african children (50 with intestinal parasites and 17 unparasitized) and in 18 unparasitized young adults. all had normal nutritional status, and none had diarrhea or digestive symptoms. parasites that were found included ascaris lumbricoides in 76% of the parasitized children, trichuris trichiura in 58%, giardia in 24%, entamoeba histolytica in 20%, schistosoma intercalatum in 16% ... | 1992 | 1539747 |
| [the prevalence of intestinal parasites in primary school students in trabzon and the importance of education of parasite patients]. | hundred and forty stool samples obtained from fourth classes (10 years of age) of the primary school students were examined for intestinal parasites. in addition, effect of education and variety of education on parasitic diseases were investigated. of the 140 students 65% were found to be positive for intestinal parasites. ascaris lumbricoides 15.7%, trichuris trichiura 22.85%, giardia intestinalis 7.14%, ascaris lumbricoides + trichuris trichiura 15.7%, giardia intestinalis + trichuris trichiur ... | 1992 | 1588851 |
| the effect of repeated chemotherapy on age-related predisposition to ascaris lumbricoides and trichuris trichiura. | this study examines the persistence of predisposition to ascaris lumbricoides and trichuris trichiura during repeated chemotherapy in an urban community in kuala lumpur, malaysia. significant predisposition was observed over 2 periods of reinfection with and without age-standardization of data. analysis of different age groups indicated that predisposition was most strongly detectable in the younger age classes. the intensities of infection with both parasites were strongly correlated at each cy ... | 1992 | 1594301 |
| the pattern of human intestinal helminth infections in farming communities in different parts of ondo state, nigeria. | faecal samples collected from people inhabiting project areas of owena river basin and rural development authority at okitipupa, akure ifon and ajowa which are located in different geographical areas of ondo state, nigeria, were examined for helminth ova and larvae. the common worms were ascaris lumbricoides, trichuris trichiura and hookworms with average occurrences of 43.1% 23.4% and 17.0% respectively. infections were highest in subjects in the age groups of 6-10 and 11-15 years and lowest in ... | 1992 | 1637737 |
| moderate to heavy infections of trichuris trichiura affect cognitive function in jamaican school children. | a double-blind placebo trial was conducted to determine the effect of moderate to high loads of trichuris trichiura (whipworm) infection on the cognitive functions of 159 school children (age 9-12 years) in jamaica. infected children were randomly assigned to treatment or placebo groups. a third group of randomly selected uninfected children were assigned to a control for comparative purposes. the improvement in cognitive function was evaluated using a stepwise multiple linear regression, design ... | 1992 | 1641252 |
| intestinal parasitic infections in schoolchildren of abha (asir), saudi arabia. | stool specimens from 1282 children between the age of 5 and 13 years attending 10 primary schools for boys in the city of abha, southwestern saudi arabia, were examined for the presence of intestinal parasites. of these, 313, (24.4%) were found infected with one or more species of 11 intestinal protozoa and helminths. the most common pathogenic protozoa being giardia lamblia (10.9%) followed by entamoeba histolytica (4.1%). the nonpathogenic protozoan, entamoeba coli had the highest prevalence r ... | 1991 | 1671621 |
| an enzyme-linked immunosorbent assay for diagnostic detection of taenia saginata copro-antigens in humans. | an immunodiagnostic sandwich enzyme-linked immunosorbent assay (elisa) was developed for the detection of soluble taenia saginata antigens in stool samples (copro-antigens) of infected humans, using affinity-purified polyclonal antibodies obtained from rabbits hyperimmunized with excretory/secretory antigens derived from t. saginata maintained in vitro. investigation of operating characteristics showed very low cross-reactivity with crude antigens from helminths other than taenia, including dipy ... | 1991 | 1719664 |
| community control of ascaris lumbricoides in rural oyo state, nigeria: mass, targeted and selective treatment with levamisole. | a study to compare effects of mass, targeted and selective chemotherapy with levamisole (ketrax) as an action for the control of ascaris lumbricoides was carried out in three communities in rural oyo state, nigeria. selective treatment was applied in one village by treating the most heavily infected 20% of the inhabitants, targeted treatment in the second village involved children aged 2-15 years, while mass treatment was offered to all inhabitants excluding infants under 1 year and pregnant wom ... | 1991 | 1745554 |
| parasitic infections in young jamaicans in different ecological zones of the island. | data are presented for the first country wide prospective study on gastrointestinal tract parasitic infections done in jamaica. samples from 2,947 young jamaicans drawn from all ecological zones and from all parochial divisions of the island were analyzed. pica was practised by 8.6%. generally, prevalence of organisms was as follows: trichuris trichiura (12.3%), ascaris lumbricoides (9.5%), hookworm (2.2%), strongyloides stercoralis (0.3%), giardia lamblia (6.3%) and entamoeba coli (7.7%). sever ... | 1991 | 1750103 |
| gastrointestinal parasitic infection in healthy jamaican carriers of htlv-i. | a subsample (1.6%; n = 13,260) of a healthy jamaican population of food-handlers, studied by murphy et al. (1991), who were serologically positive (n = 99) or negative (n = 113) for htlv-i was investigated for intestinal parasitic infection using coprological methods. helminth infection included ascaris lumbricoides (2.8%), trichuris trichiura (7.1%) and hookworms (6.1%). entamoeba coli was found in 21.8% of samples, while e. hartmanni, giardia lamblia, endolimax nana, iodamoeba bütschlii and ch ... | 1991 | 1758014 |
| results of testing for intestinal parasites by state diagnostic laboratories, united states, 1987. | we analyzed results of 216,275 stool specimens examined by the state diagnostic laboratories in 1987; parasites were found in 20.1%. percentages were highest for protozoans: giardia lamblia (7.2%), entamoeba coli and endolimax nana (4.2% each), blastocystis hominis (2.6%), entamoeba histolytica (0.9%), and cryptosporidium species (0.2%). identifications of giardia lamblia increased broadly from the 4.0% average found in 1979, with 40 states reporting increases and seven decreases. most states th ... | 1991 | 1779956 |
| [intestinal parasites in primary school students]. | five hundred thirty-one stool samples obtained from primary schools. the age range was between 7 and 13 years, 49% of the patients were females an 51% of the patients males. in our study it has been observed that the parasite incidence was 36.9% the predominant parasite was ascaris lumbricoides (12%), giardia intestinalis (9%), hymenolepis nana (7.1%) entamoeba histolytica (6%) and trichuris trichiura (2.6%) respectively, we detected six different parasites in the primary school students because ... | 1991 | 1795661 |
| estimating prevalence of community morbidity due to intestinal helminths: prevalence of infection as an indicator of the prevalence of disease. | the rational design of helminth control programmes for endemic areas requires that the limited resources be focused on the communities in greatest need. the process of locality-targetting would be facilitated by a simple, inexpensive method of assessing morbidity at the community level. this paper describes how a simple model of the distribution of infection in human populations can use infection prevalence data to predict the proportion of heavy, and potentially clinically significant, infectio ... | 1991 | 1801353 |
| comparative efficacy of single dose anthelmintics in relation to intensity of geohelminth infections. | the efficacy of a single dose of albendazole 400 mg, levamisole 2.5 mg/kg, mebendazole 500 mg, mebendazole 200 mg and pyrantel pamoate 10 mg/kg was evaluated in relation to the intensity of infection of ascaris lumbricoides, necator americanus and trichuris trichiura. the study group comprised 667 3 to 12 year old children from poorer segments of the community. all 5 treatments produced high egg reduction rates ranging from 95.9% to 99.7% and substantial cure rates for ascaris infection; the dif ... | 1991 | 1807845 |
| age-dependency of infection status and serum antibody levels in human whipworm (trichuris trichiura) infection. | this study examines the age-dependency of the relationships between human infection with whipworm (trichuris trichiura) and parasite-specific antibody level measured by elisa against an extract of adult worms after preincubation of the sera with ascaris lumbricoides adult worm extract. the convex age-profile of parasite infection intensity is shown to be mirrored by an age-dependent change in age-class mean levels of igg (all subclasses except igg3), iga, igm and ige. mean antibody levels rise w ... | 1991 | 1811214 |
| studies on the control of hookworm and other soil-transmitted helminthiases in farmers in zhejiang province, china. | different periodic selective chemotherapeutic schemes were used to control hookworm and other soil-transmitted helminthiases in eight villages in five counties in zhejiang province, china, 1985-1988. the results showed that the prevalence rates of hookworm, ascariasis, and trichuriasis decreased from 35.0-74.4%, 47.0-.76% and 22.9-47.5% to 3.2-15.8%, 9.9-47.8%, and 3.5-31.2%, respectively, using pyrantel pamoate (10 mg/kg for 1-2 days) or albendazole (400 mg for 1-2 days, once or twice a year fo ... | 1991 | 1820652 |
| [intestinal parasitosis in pre-school children from tarapoto]. | we examined stool specimens from 110 children (pre scholar) from the suburb "9 de abril" tarapoto (perú). the diagnostic techniques were: direct smear, faust floaty concentration, willis floating and graham's tape. 98 percent had intestinal parasitosis, without sexual differences. the most common parasites were: ascaris lumbricoides 68%, trichuris trichiura 44%, enterobius vermicularis 28%, hymenolepis nana 21% and strongyloides stercoralis 16%. monoparasitosis was present in 44% and biparasitos ... | 1991 | 1840844 |
| intestinal parasites in iaualapiti indians from xingu park, mato grosso, brazil. | brine flotation and gravity sedimentation coproscopical examinations were performed in stool samples from 69 of the 147 iaualapiti indians of the xingu park, mato grosso state, brazil. intestinal parasites were present in 89.9% of the population examined. high rates of prevalence were found for some parasite species: ancylostomidae, 82.6%; enterobius vermicularis, 26.1%; ascaris lumbricoides, 20.3%; and entamoeba coli, 68.1%. infection by trichuris trichiura, schistosoma mansoni, taenia spp. and ... | 1991 | 1842434 |
| [helminth and protozoan intestinal infections in pregnant women in their first consultation at health centers of the state in the butantã subdistrict, são paulo city]. | 481 pregnant women attended at first consultation from a são paulo city suburb-subdistrict of butantan-são paulo state, brazil, from april to october of 1988, were investigated regarding the prevalence of verminosis. the mean age was 24.5 years (range 14-46), the average family income was 0.97 pcmw (per capita minimum wage) and the average number of members of the family was 4 (1 to 15). the verminosis prevalence was 45.1% among the women. the most frequent parasites were: ascaris lumbricoides ( ... | 1991 | 1844952 |
| [comparison of several coproparasitological techniques for the diagnosis of soil-transmitted intestinal helminthiasis]. | five hundred and eleven samples of feces were examined by several coproparasitological techniques: kato-katz, willis, ritchie and direct wet mount. it was found that kato-katz was the most reliable technique for the diagnosis of trichuris trichiura, necator americanus, and ascaris lumbricoides, demonstrating the largest number of cases. willis, ritchie and direct wet mount were effective in that order. taking into account that kato-katz is a quantitative method, it should be recommended in the d ... | 1991 | 1844969 |
| herpes zoster and controlateral hemiplegia in an african patient infected with hiv-1. | one of the neurologic complications of human immunodeficiency virus infection are cerebrovascular accidents. in hiv infected patients, ischemic strokes have been reported secondary to nonbacterial thrombotic endocarditis and cerebral arteritis. we describe an unusual cause of stroke in hiv-1 infection: herpes zoster ophtalmicus with contralateral hemiplegia. | 1991 | 1867123 |
| modes of transmission for ascaris lumbricoides and trichuris trichiura among chinese children in macao city. | to obtain more information on the transmission of ascaris lumbricoides and trichuris trichiura in macao city, 308 chinese children were surveyed. the infection rates of a. lumbricoides and t. trichiura were 14.9 and 6.8%, respectively. there was no association between the infections. a. lumbricoides infection was associated with age and t. trichiura with new immigrants from china. no association was found between the infections and family socio-economic factors. the results suggest that the mode ... | 1991 | 1917289 |
| ileo-colic intussusception complicating heavy trichuris trichiura infection. | | 1991 | 1926563 |
| human gastro-intestinal parasites in bendel state, nigeria. | faecal samples from 862 male and female donors of nine age groups (1-90 years) in three geographical zones were screened by the examination of concentrates from formal other concentration technique. the overall percentage incidence of six parasites which were encountered were as follows: entamoeba coli (19.7%), e. histolytica (3.9%), giradia lamblia (1.4%), hookworm (29.4%), ascaris lumbricoides (38.2%) and trichuris trichiura (7.3%). however, the percentage incidence of parasites in the delta m ... | 1991 | 1928804 |
| reinfection and infection rates of soil-transmitted-helminths in kemiri sewu, yogyakarta, indonesia. | a study on the reinfection and infection rates of soil-transmitted helminths was conducted in kemiri sewu, godean district, sleman regency, yogyakarta special province, indonesia, from august 1988 to june 1990. a total 61 individuals rendered ascaris lumbricoides egg-negative by drug treatment were used in the reinfection study and 412 individuals found negative for ascaris eggs in the pretreatment stool examination were used for the infection rate study. in both groups, children had higher and ... | 1991 | 1948282 |
| a comparison of the role of musca domestica (linnaeus) and chrysomya megacephala (fabricius) as mechanical vectors of helminthic parasites in a typical slum area of metropolitan manila. | a total of 1,016 flies (508 each for musca domestica and chrysomya megacephala) were collected from a typical urban slum area (barangay 51, pasay city, metropolitan manila) in the philippines and examined for the presence of helminth ova attached to their external surfaces. a significantly greater proportion of c. megacephala (41.9%) was found positive compared to m. domestica (9.4%). c. megacephala also exhibited a significantly higher average egg load (11.9 eggs per positive fly) than m. domes ... | 1991 | 1948283 |
| intestinal parasitic infestation in pediatric gastroenterology outpatient clinic dr. pirngadi hospital medan. | a retrospective study had been done at the outpatient clinic sub division of pediatric gastroenterology, dr. pirngcdi hospital medan, comprising patients from 1 january 1985-31 december 1987. there were 874 patients. three hundred seventy eight (43.25%) patients consisting of 210 (55.56%) males and 168 (44.44%) females had intestinal parasitic infestations. the youngest patient was 5 months and the oldest was 14 years and 3 months. ascaris lumbricoides was found in 215 patients (24.60%) while tr ... | 1991 | 1956691 |
| humoral immune responses in human infection with the whipworm trichuris trichiura. | the humoral immune response to infection with trichuris trichirua was investigated by elisa and immunoblotting using human sera from the caribbean island of st lucia. immunoblot analysis of the degree of cross-reactivity with the related trichuroid trichinella spiralis and with the other commonly co-existent nematodes, ascaris lumbricoides and toxocara canis, was carried out using selected sera. the igm, iga, ige, and igg subclass antibody levels were measured in elisa using a detergent solubili ... | 1991 | 1956697 |
| mass treatment of intestinal parasites among ethiopian immigrants. | intestinal parasites are common among the ethiopian immigrants to israel and mass treatment is necessary to prevent local transmission. for this purpose, stool samples obtained from the immigrants in absorption centers were examined. of 5,412 samples obtained, 4,399 (81.3%) were positive: 2,644 (54.2%) for necator americanus, 2,273 (46.6%) for schistosoma mansoni, 990 (20.3%) for ascaris lumbricoides, 1,040 (21.3%) for hymenolepsis nana, 940 (19.2%) for trichuris trichiura, 219 (4.5%) for strong ... | 1991 | 2050509 |
| the rate of ingestion of ascaris lumbricoides and trichuris trichiura eggs in soil and its relationship to infection in two children's homes in jamaica. | the rate of exposure to geohelminth infection of children living in 2 institutions in jamaica, west indies, was estimated from the product of their rates of ingestion of soil and the density of parasite eggs in the environment. the estimated mean rate of egg ingestion was 9-20 ascaris lumbricoides eggs and 6-60 trichuris trichiura eggs per year, although the distribution was highly overdispersed so that some individuals had an estimated annual exposure of several hundred eggs. the estimated indi ... | 1991 | 2068773 |