Intermediate hosts of Schistosoma; African Biomphalaria and Bulinus.
D000818:Animals; D001700:Biomphalaria; D044383:Black People; D002033:Bulinus; D006801:Humans; D012547:Schistosoma; D012552:Schistosomiasis / Q000635:transmission*; D012908:Snails
SCHISTOSOMIASIS/transmission; SNAILS