Like AIDS, it depresses a cats immune system making it susceptible to many secondary infections. Unfortunately their is no vaccine for this disease there is a reliable blood test that can be done alone or in conjunction with the feline leukemia test. Vaccinate for Rabies and Canine Distemper annually. Heartworm preventive, fecals and annual exams are indicated. It is very important to get these basic vaccinations and wormings.
Pigs are highly susceptible to lice, mites and parasites.
Breeding pigs should be vaccinated for these and other diseases every 6 months.