Feline calicivirus: causes, symptoms and treatments

Feline calicivirus (FCV) causes flu-like symptoms in cats and kittens...

Photo of a cat being examined for calicivirus infection at veterinary clinic

Overview

Feline calicivirus (FCV) is a condition of the upper respiratory tract that causes flu-like symptoms in cats and kittens. Infection with FCV ranges from mild to severe, and infected cats can go on to develop potentially serious complications such as pneumonia.

Identifying the signs and symptoms of feline calicivirus

How is FCV spread

Is my cat at risk of calicivirus?

Medically reviewed by Dave Tweedle

Published on 21/02/2019 • Reviewed on 20/01/2025