Scientists have found over a dozen parasitic worms in the eyes of a black bear, renewing fears that humans could face an emerging danger from the tiny worms that can cause blindness. The black ...

The parasite that causes schistosomiasis completes its life cycle in two hosts – first in snails and then in mammals such as ...

“You can see what the parasites in a fish from 1888 were like.” Another parasitic worm, Clavinema mariae, which doesn't cause illness in humans, increased its numbers eight times in local ...