| human ecology and parasitic infections. 1. the effect of occupation on the prevalence of parasitic infections in calabar, nigeria. | one thousand six hundred people belonging to three different occupational groups were randomly selected. blood, urine and stool specimens were collected from them and processed for the detection of any parasitic infections. the results show 28.5% infection rate with one or more species of intestinal parasites; 50.7% in the school children, 17.3% among the farmers, and 12% among the soldiers. results of blood examination showed 5.3%, 8.0% and 2.0% infection rates for p. falciparum in the school p ... | 1992 | 1512451 |
| haemoparasites of blood donors in calabar. | the study of haemoparasites in our blood donors revealed the following parasite prevalences: microfilaria (mf) of loa loa (1.3%); dipetalonema perstans (15.6%); loa loa and d. perstans (0.2%), plasmodium falciparum (3.3%), plasmodium malariae (1.0%) and a mixture of p. falciparum and p. malariae (0.2%). no trypanosomes were observed in the 480 blood samples screened. there were more cases of d. perstans infection in the 24-30 year age group, indicating their increased exposure frequencies. match ... | 1989 | 2763348 |
| filariasis in the igwun river basin, nigeria: an epidemiological and clinical study with a note on the vectors. | in a cross-sectional, epidemiological and parasitological study of human filariasis, 845 individuals were examined in settlements along the igwun basin, imo state, nigeria. four different filarial nematode species were identified. two hundred and fifty-six (30.3%) of the individuals examined were positive for onchocerca volvulus, 113 (13.4%) for mansonella perstans, 76 (9.6%) for wuchereria bancrofti and 77 (9.1%) for loa loa. microfilarial rates increased with age of individuals and showed a te ... | 1988 | 3041931 |
| the status and consequences of mansonella perstans infection in calabar, nigeria. | two aetiological studies on filariasis were conducted from january to june, 1993. in the first study, 690 blood samples clinically diagnosed of filariasis were examined. in the other, 150 blood samples and 150 skin snips collected from the same group of eye clinic patients clinically diagnosed of filariasis were investigated. of the 690 subjects, 108 (15.64%) had filariasis with m. perstans and loa loa accounting for 98.15 and 1.85% of positive cases respectively. among the eye clinic patients, ... | 1995 | 7796752 |
| the occurrence of mansonella perstans among residents of calabar metropolis in cross river state of nigeria. | the occurrence of mansonella perstans was studied among people who had resided in calabar metropolis for at least one year prior to the time of this study, which lasted from february to august, 2011. one thousand residents, comprising 530 males and 470 females, with an age range of 4 to 59 years, participated in the study, after an informed consent. two millilitres of venous blood were collected at day time into edta bottles. the blood samples were processed by diluting 1ml of blood in 9 mls of ... | 2015 | 25911033 |