Researchers then examined her stool, which revealed the presence of hookworm eggs. Parasitic worms infect up to 480 million people globally, the U.S. Centers for Disease Control explains.

Your cat may have worms if they are vomiting, losing weight, or you see worms in their stool. Cats may get roundworms, tapeworms, hookworms, or heartworms. You can treat a worm infestation with ...