| 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 |
| human and experimental anisakiasis in the united states. | in the past 13 years, 24 cases of anisakiasis have been reported in the united states. of these, 14 were infections by phocanema sp. and found in california and alaska, and most were of the tissue non-invasive type. the remaining 10 cases were infections by larvae of anisakis type i (l3 and l4). of these 10 cases, 4 were found on the west coast, 5 were on the east coast and one was in hawaii. in 3 of the 10 cases, the parasite invaded the digestive tract. a characteristic symptom of the throat n ... | 1986 | 3527918 |
| chinese liver flukes in latrine sediments from wong nim's property, san bernardino, california: archaeoparasitology of the caltrans district headquarters. | parasitological analysis of 5 sediment samples from san bernardino, california latrine deposits spanning the time period from about 1880 to the 1930s are presented. two sediment samples are from a latrine used by european-americans. three sediment samples are from latrines used by chinese-americans on the property of wong nim, an important member of the chinese community. two of the chinese latrines were positive for human parasites. the human parasites encountered include the human whipworm (tr ... | 2008 | 18372657 |
| risk of intestinal helminth and protozoan infection in a refugee population. | with continuing emigration from endemic countries, screening for parasitic infections remains a priority in u.s. communities serving refugee and immigrant populations. we report the prevalence of helminths and protozoa as well as demographic risk factors associated with these infections among 533 refugees seen at the santa clara county, california, refugee clinic between october 2001 and january 2004. stool parasites were identified from 14% of refugees, including 9% found to have one or more pr ... | 2005 | 16103610 |
| three common presentations of ascariasis infection in an urban emergency department. | in the united states, approximately 4 million people per year are infected with ascaris lumbricoides. we reviewed the common presentations of complications of ascariasis infection in the emergency department (ed) and the diagnostic tools and treatment available. this was a retrospective case review conducted on all patients diagnosed with ascariasis (using icd-9 codes) over a 6-year period at los angeles county and university of southern california medical center. three patients with distinct co ... | 2001 | 11207407 |
| intestinal parasites among indochinese refugees and mexican immigrants resettled in contra costa county, california. | stool examinations of 186 indochinese refugees and 90 immigrants from mexico resettled in contra costa, county, california, have shown that 60 percent of refugees and 39 percent of immigrants are infected with one or more species of pathogenic protozoa and helminths. the mean prevalences of infections among refugees and immigrants, respectively, were: hookworms, 25 and 2 percent; whipworm, 22 and 12 percent; ascaris, 20 and 12 percent; giardia lamblia, 11 and 11 percent; strongyloides, 9 and 1 p ... | 1981 | 7462932 |
| intestinal parasites in indochinese immigrants. | fifty-two percent of 419 recent indochinese refugees, most of whom were studied because they had symptoms, signs, or hematologic findings suggestive of parasitism, had intestinal parasites. the frequency of parasitism was comparable in vietnamese vs. other indochinese (cambodians and laotians), but other indochinese were more often found to have multiple parasites. the most common parasite in vietnamese was ascaris lumbricoides, hookworm was the most common parasite in cambodians and laotians, a ... | 1981 | 7235127 |
| intestinal parasites in immigrant children from central america. | to begin to characterize the health needs of the growing number of refugees from central america, we compiled the results of examinations for ova and parasites of a single stool specimen of each of 128 children of central american and mexican background who entered our health center during a four-month period. among the 96 children who were born in central america or mexico, there was a 65% prevalence of parasitic infestation. pathogens were found in 46% and multiple pathogens in 14%. among the ... | 1983 | 6636747 |