What parasitic disease transmitted by the freshwater snail vector (Bulinus) remains an endemic public health concern along Lake Volta and the Densu river basin?
Answer and explanation
Correct answer: C. Schistosomiasis (Bilharzia)
- Step 1: Schistosomiasis is caused by Schistosoma haematobium and Schistosoma mansoni flatworms. Step 2. The creation of Lake Volta dramatically expanded snail habitats, requiring mass drug administration (Praziquantel) in school-age children. Answer: Schistosomiasis (Bilharzia). Why not the others: River blindness is transmitted by Simulium blackflies; Guinea worm was certified eradicated from Ghana in 2015; Sleeping sickness is transmitted by tsetse flies.
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