Cat Flu Symptoms After Vaccination. Signs of cat ‘flu are similar to colds and flu in people. Occasionally, a carrier cat will display symptoms of active flu, but subsequent bouts are usually not as serious as the initial infection.
If a cat that is vaccinated comes into contact with the disease they will be able to fight off the disease quickly with minimal symptoms. Like most vaccines, the cat flu vaccine will not protect your cat 100% so you may still see some mild flu symptoms. If the sarcoma that is caused by vaccination is not treated, it will grow.
Cat flu is a general term for a highly contagious upper respiratory disease that affects cats and kittens.
Like most vaccines, the cat flu vaccine will not protect your cat 100% so you may still see some mild flu symptoms. Occasionally, a carrier cat will display symptoms of active flu, but subsequent bouts are usually not as serious as the initial infection. Generally cats are most at risk of catching flu if they are in contact with other cats, for example, in a breeding cattery or boarding situation. Make sure that the cat you are bringing in has been vaccinated and shows no symptoms of infection.