Abstract: Background: Crustaceans especially freshwater crabs act as the second intermediate host for a number of digenetic trematode parasites including that of the lung fluke (Paragonimus sp.). A wide variety of crab species are available in the northeastern states of India. Moreover, people living these states have the habit of consuming crabs either by way of roasting/cooking or as raw in the form chutney. Owing to this habit, they are exposed to a higher risk of acquiring the disease (paragonimiasis/endemic haemoptysis) and also of other zoonotic infections. Therefore, with a view towards assessing endemicity and occurrence/distribution of larval stages of bio-medically......
Key words: Paragonimus heterotremus, Barythelphusa lugubris, Metacercariae
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