Toxoplamosis (tox-oh-plaz-MO-sis) is a disease contracted by humans that's caused by a parasite frequently found in cats. Careless handling of litter is the most frequent cause.

How often is too often when it comes to your pet's vaccinations? It's a question more and more pet owners are asking these days. Mounting debate about the need to vaccinate animals annually, along with concerns about a possible link between vaccines and rare cancers, may leave many pet owners confused about how often to visit the vet for vaccinations.