Definition of schistosomiasis
plural schistosomiases
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\ˌshi-stə-sō-ˈmī-ə-ˌsēz\
:infestation with or disease caused by schistosomes;
specifically
:a severe endemic disease of humans in Africa and parts of Asia and South America that is contracted when cercariae released into freshwaters (such as rivers) by a snail intermediate host penetrate the skin and that is marked especially by blood loss and tissue damage — called also
snail fever
