Disease vectors Mollusca

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skin vesicles created penetration of schistosoma. (source: cdc)


schistosomiasis (also known bilharzia, bilharziosis or snail fever), disease caused fluke worm schistosoma, second malaria devastating parasitic disease in tropical countries. estimated 200 million people in 74 countries infected disease – 100 million in africa alone. parasite has 13 known species, 2 of infect humans. parasite not mollusc, species have freshwater snails intermediate hosts.








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