Quantitative egg counts in schistosomiasis surveys.
Methods for urine filtration and quantitative egg counts play a key role in schistosomiasis surveys, but recent WHO recommendations may be misleading. In this article, Reny Braun-Munzinger working in Madagascar discusses technical problems in the use of nytrel filters for schistosome egg counts.
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GTZ Bilharziasis Control Project, BP 502, Mahajanga-401, Madagascar.