Detection of

feline infectious peritonitis virus-like antigen in ferrets SIR, – Feline infectious peritonitis (FIP) is caused by feline coronavirus (FCoV). It is a well known and widely distributed coron-avirus-induced systemic disease in cats and non-domestic felids (O’Reilly and others 1979, Kennedy and others 2002). The dis-ease is characterised by fibrinous to granu-lomatous serositis with protein-rich effusions in body cavities and granuloma-tous inflammatory lesions in several organs (Weiss and Scott 1981). Over the past three years some clinicians have suspected, base