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

Meera Pal is a Northern California-based writer with a background in journalism and books. She covers pets, real estate, tech, and everything in between. You can follow her on Twitter @Meerakat ...

Hookworms -- a common parasite in animals -- have become resistant to multiple deworming drugs used to kill them, a new study finds. Veterinarians typically use three types of drugs to kill hookworms, ...

No one likes to think about parasites, but learning more will help you keep your family safe. The thought of parasitic worms certainly makes lots of people feel squeamish, so you’re not alone if this ...

A dog-killing parasite that was believed to only exist in Texas and other Gulf Coast states has been discovered as far west as California for the first time, scientists have warned. The worm can cause ...

SALT LAKE CITY — The Humane Society of Utah is warning pet owners of a possible parasite outbreak after several dogs were surrendered from different homes with infections. The infection stems from ...

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Such evidence suggests early heartworms evolved alongside canines millions of years ago. Mosquitoes existed long before ...

Dogs infected with the Leishmania parasite smell more attractive to female sand flies than males, say researchers. Leishmania parasites are transmitted from infected dogs to people by sand flies when ...