To keep you up-to-date with all aspects of cat health, here is an article about the most common viruses in cats, and relevant vaccinations.

Umbilical hernia is a bulging or a protrusion of the abdominal lining, fat or even portions of abdominal organs through the area around the belly button.

The immune system of an allergic cat is overly sensitive to some foreign, harmless molekules and mistakes for dangerous substances.