[Epidemiological study of intestinal helminthiases (ascariasis, necatoriasis, taeniasis, and bilharziasis) in the town of Maroua (North Cameroon). Results of the treatment of the population with mebendazole].

Prevalence of intestinal helminthiasis: 970 stool specimens are examined in Doualare and 999 in Doursongo (Maroua) North Cameroon. In this sample eggs of T. saginata are seen in 14.0% of the specimens, eggs of A. lumbricoides in 5.1%, N. americanus in 5.8% and S. mansoni in 2.1%. Eggs of T. trichiura, S. stercoralis and H. nana are found in less than 2% of the specimens. Stool examinations are performed in Doursongo before and after treatment with mebendazole: 94.1% of the inhabitants with A. lumbricoides eggs in their stools are free of this parasite after treatment, with T. trichiura 83.3% are cured.