| 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 |
| 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 |