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#liver fluke #fasciola #fascioliasis #flatworm #snail host #digenea

💧🐌➡️🧍🧲

#schistosoma infection #parasite transmission #water contact disease #snail host #cercariae #human infection

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#blood fluke #schistosoma #schistosomiasis #bilharzia #flatworm #snail host #digenea