A dog in the San Fernando Valley was found to have Baylisascaris, or raccoon roundworm, eggs in its system during a routine ...

Pricey deworming remedies are being touted as cure-alls. Supermodel Heidi Klum gave it a go – experts roll their eyes ...

A least 28 people from a northern Ontario First Nation that was largely evacuated after the failure of its water system have ...

The New World screwworm is getting dangerously close to the U.S., public health officials warn. If left untreated, a ...

Vivian Nosovitsky, 21, had finished another year of traveling abroad when she noticed pain in her eye ...

Scientists report unusually high Chagas disease parasite rates in kissing bugs collected near the U.S.-Mexico border region.

Beachgoers in Australia are on high alert following four shark incidents in New South Wales in 48 hours.

A common parasite expands across species by abandoning sex, boosting short-term spread while risking long-term collapse.

Health tests at Kashechewan First Nation, which is already in a state of emergency due to water contamination, show a ...

Scientists have uncovered a hidden battle between a widespread brain parasite and the immune cells tasked with destroying it. A parasite that can quietly persist in the human brain is capable of ...

If vitamin C stops cancer in its tracks, and being deficient in it can cause scurvy — the disease long associated with ...