Specific mutations in the feline enteric coronavirus (FECV) allow the virus to leave intestinal tract cells and instead infect immune system cells called macrophages. Macrophages normally help to fight viral infections.
This mutated version of FECV is referred to as FIPV (feline infectious peritonitis virus). Infected macrophages spread the disease throughout a cat’s body similar to the spread of the tuberculosis (TB) bacteria in humans.
Watch for a detailed story on more advances made regarding feline infectious peritonitis (FIP) soon.