Feline Corona Virus is not a huge concern. Many cats have been exposed to this virus ... between 50-80%. FeCoV is common. However, in anywhere from 2-5% of Cats (depends on which study you read), FeCoV can mutate into the FIP Virus, which is fatal. The chances of it mutating are higher depending on how much stress the cat is under. Some studies say the higher the titer value of the FeCoV, the greater the chance of mutation into FIP.
When I battled FIP with Simba for over two years, someone explained it all to me via an analogy. FeCoV is like a common cold in a baby. If you test babies, many will test as having had a cold by 8-10 months. In a very small number of these babies, their cold may have mutated in pneumonia. FIP would be that pneumonia in cats.
If you are concerned about your cats FeCoV mutating into FIP, all you can really do is try to keep the cat as stress free as possible and keep it as healthy as possible. Make sure you feed a good quality food, closely monitor its health, and love it every day. Unfortunately, scientists say it is in their genes if it will mutate or not....so...pray your cat has good genes.
...Always in my heart... Mocha....Nov. 13, 2002 - Dec. 6, 2013
.... Slave to Bengal Cats....Luna, Mystik, Simba, Komet, Meli,
Spark, and Star
.....and a collection of kittens at various times.