Feline Foamy Virus is a virus that infects cats. It’s not very well known, but it’s important for cat owners to understand it. The good news is that most cats with this virus don’t get sick or feel bad. The virus usually doesn’t cause any serious problems. Still, knowing about FeFV can help you take better care of your cat, especially if you have more than one or your cat goes outside. FeFV is a type of virus called a retrovirus. It lives inside the cells of cats. Scientists call it “foamy”...

Foot and mouth disease, or FMD, is a sickness that hurts animals like cows, pigs, goats, and sheep. It’s caused by a really tiny germ called the foot and mouth disease virus.

People in Fort Collins, Colorado, have been seeing rabbits with strange, horn-like growths on their heads and faces. Some look like they have antlers or tentacles, earning nicknames like “Frankenstein bunnies” or “zombie rabbits.” This might sound like something out of a sci-fi movie, but it is actually a real virus called Shope papillomavirus that only affects rabbits. The virus causes wart-like growths on the skin of rabbits, especially around their heads, faces, and necks. These growths...