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Fig. 4 | Parasites & Vectors

Fig. 4

From: Update on the distribution of Mansonella perstans in the southern part of Cameroon: influence of ecological factors and mass drug administration with ivermectin

Fig. 4

Longitudinal surveys in Mamfe reveal dampened M. perstans infection in DERF but not DHERF zones after >10 years MDA. a Prevalence and b mf intensity in Mamfe district (7 communities) prior to IVM therapy (0 MDA; n = 771) and after at least 10 years of MDA treatment (>10 MDA; n = 615). Analysis of individuals in DERF located communities of Mamfe (Assam, Bache, Kesham and Okpambe) revealed reduced prevalence and mf intensity c and d respectively): 0 MDA; n = 404 and > 10 MDA; n = 376. Infection in individuals of the DHERF communities of Mamfe (Babong, Ogurang and Nkoghau) remained unchanged or trended upwards (e and f): 0 MDA; n = 367 and > 10 MDA; n = 239. Symbols at each time point represent mean prevalence (%) or mf intensity (mf/ml) from one community

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Parasites & Vectors

ISSN: 1756-3305

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