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Neorickettsia helminthoeca is the etiological agent of „salmon poisoning disease”. The fluke - Nanophyetus salmincola - is a vector for neorickettsia which requires three hosts for the completion of its life cycle. The first intermediate host is a stream snail - Oxytrema silicula. Fish are the second host in which cercariae encyst. The definitive hosts are fish-eating mammals such as dog, raccoon,...
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