Articles

FIP is not caused by a new or exotic virus. It is caused by a mutation of the feline coronavirus that most cats already carry. Understanding how and why that mutation happens — and which cats are most at risk — is the foundation of everything: prevention, early detection, and treatment.

Feline Coronavirus (FCoV) is common in cats and usually harmless. In 1–2% of cases it mutates into FIP — a serious, systemic disease. This guide explains how FCoV spreads, how the mutation happens, how to reduce risk, and what to do if FIP develops.