KAKALE MASSA, Chad — Martoussia, the celebrity of the moment in this remote African fishing village, pants heavily under the awning where he lies chained. Still, he remains calm and sweet-tempered as ...

Heartworm -- a worm that can take up residence in a dog’s heart, blood vessels, and lungs-- might seem like an unlikely threat to your pet. But it’s not uncommon.: It's been found in all 50 U.S.

A decades-long push to make Guinea-worm disease the first parasitic infection to be wiped out is close to victory. But a mysterious epidemic of the parasite in dogs threatens to foil the eradication ...

For the past few years, the world has been on the edge of one of the biggest medical triumphs of modern history: Wiping out a horrific parasite from the face of the Earth. In the early '80s, there ...

KAKALE MASSA, Chad — Martoussia, the celebrity of the moment in this remote fishing village, pants heavily under the awning where he lies chained. Still, he remains calm and sweet-tempered as the ...