feline herpesvirus (fhv)

Another virus that causes 'flu like signs. Affected cats may go off their food and run a high temperature in addition to experiencing sneezing, runny eyes and nose. Around 80 per cent of cats infected with this virusbecome carriers but they will only shed the virus intermittently (for around two weeks) about one week after experiencing stress of any kind.

SOURCE: cats.org.uk