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National Serologic Survey of Haematobium Schistosomiasis in Morocco: Evidence for Elimination

2011; American Society of Tropical Medicine and Hygiene; Volume: 84; Issue: 1 Linguagem: Inglês

10.4269/ajtmh.2011.10-0378

1476-1645

Fatima Amarir, Bouchra El Mansouri, Hajiba Fellah, Faı̈za Sebti, Lakranbi Mohammed, Sukwan Handali, Patricia P. Wilkins, Ahmed Idrissi, Abderrahim Sadak, Mohamed Rhajaoui,

Zoonotic diseases and public health

The Moroccan Health Ministry launched a Process of Eliminating Schistosomiasis in 1994. During 2005–2009, the epidemiologic status showed a clear interruption of disease transmission at the national level; only a few residual cases were recorded. Our present study is the first systematic serologic survey to evaluate the transmission status in remaining disease-endemic foci. A study population of 2,382 children born after the date of the last autochthonous cases were selected from provinces with histories of high schistosomiasis transmission (Tata, Chtouka Ait Baha, Errachidia, El Kelaa Des Sraghna, and Beni Mellal). To identify the presence of disease, specific antibodies directed against Schistosoma haematobium adult worm microsomal antigens were detected by using an enzyme-linked immunoelectrotransfer blot assay. The results showed an absence of antibodies in all serum samples. Consequently, our findings confirm either a low transmission status or an interruption of schistosomiasis transmission within the last disease endemic foci.