Feline infectious peritonitis (FIP) is a fatal, incurable disease that affects cats.It is caused by Feline Infectious Peritonitis Virus (FIPV), which is a mutation of Feline Enteric Coronavirus (FECV) - (Feline coronavirus FCoV).Experts do not agree on the specifics of genetic changes that produce the FIPV.t is caused by Feline Infectious Peritonitis Virus (FIPV), which is a mutation of Feline Enteric Coronavirus (FECV) - (Feline coronavirus FCoV).
Some people get mild cases of only a few days, o â¦ thers get severe cases of a few weeks or more and are hospitalized. On average, the symptoms of the flu generally last 3 - 10 days but the H1N1/09 virus lasts more typically 4 - 7, although a cough and fatigue may persist for up to 2 weeks.
âSome of those viruses can survive on an object for months and withstand cleaning with bleach,â Hay tells WebMD. âInfluenza isnât like that.â There have been studies of how long significant amounts of flu germs can survive on surfaces. Estimates range from a few minutes up to 24 hours, depending on the type of surface. (It lives longest on hard surfaces.) While 24 hours seems like a long time, experts downplay the significance.