Sierra Leone General Health Risks: Schistosomiasis

Infection is transmitted by snails living in fresh water such as lakes, rivers, streams and ponds in Africa, and some countries in Southeast Asia, South America, and the Caribbean.

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Schistosomiasis risk is present in the country, areas of risk are described:

S. mansoni is endemic throughout the country. High risk areas include the districts of Bombali, Koinadugu, Kono, Kailahun, Kenema, Tonkolili, and Western Area Rural. S. haematobium has also been reported in the districts of Koinadugu, Tonkolili, Kenema, and Western Area Rural.

Risk of Schistosomiasis caused by: Schistosoma haematobium, Schistosoma mansoni

The main intermediate host snail is: Bulinus globosus, Biomphalaria pfeifferi

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