Transmitted by mosquitoes, the disease is caused by a type of parasitic roundworm that infects and lives in a dog’s heart, lungs, and blood vessels. The adults reproduce and spread baby worms through ...

If your pet spends time outdoors, it could be helping an invasive species spread—and you might not realize it until a slimy hitchhiker shows up in your home. Researchers have found that invasive ...

When a cat owner in southern France noticed a slender, striped worm clinging to her pet’s belly fur after an evening outdoors, she did what the researchers behind a new study hope more people will do: ...

READER: Our dog keeps getting worms. We see them in her stool and worm her, but they keep coming back. What can we do to keep this from happening? DR. McMILLAN: I am going to assume what you are ...