Shrimpocalypse: How reintroducing prawns could save humans from deadly disease

It's a familiar ecology story: human dam-building activities in the 1980s wiped out a species of prawn in the Senegal River by blocking its migration routes. But this one takes an unexpected turn into human health. A pilot study suggests that reintroducing the prawns to the river wouldn’t be good just for biodiversity—it could also help to control a parasite that causes disease in humans.

The research, published today in PNAS, found that when river prawns were reintroduced to a...

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