Tick bites are nearly impossible to feel, which is why it's important to check for them after spending time in wooded areas.

Diseases caused by tick bites are increasing in Michigan, state officials say, and they urge those spending time outdoors to watch for the arachnids while exploring this summer. While the parasites ...

The U.S. has blocked imports of live cattle, horses, and bison through southern border ports following the resurgence in Mexico of the New World Screwworm, a parasitic fly that infects animals and ...

The reemergence of the New World screwworm, which poses significant health risks for livestock, has prompted the Department of Agriculture to halt cattle shipments from Mexico to the United States.

More than 90% of popular freshwater fish in Southern California are carrying human-infecting parasites, researchers say. This poses a significant danger for those who like to eat freshly caught ...