In recent years, you may remember hearing about hammerhead worms or armyworms popping up in Virginia, both of which can cause problems for very different reasons.

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.

Invasive hammerheads worms have been spotted in several U.S. states. Are they dangerous? Here's what experts say you should do if you see them.