| the status of human filariasis in relation to clinical signs in endemic areas of the niger delta. | a study was carried out in selected parts of the niger delta basin on human filariasis and its relationship to clinical signs. one hundred and seventy-six (13.0%) of 1351 individuals examined were infected with microfilaria. forty-six percent of microfilaria positive cases had m. perstans; 25.6% had w. bancrofti, 19.3% had l. loa, and 9.0% had o. volvulus. the prevalence of filariasis increased with age. microfilarial density was generally low, 28.4% of infected individuals had counts of 50-100 ... | 1986 | 3539045 |