Fel-O-Vax 4 is an inactivated vaccine that protects against Feline Enteritis, Feline Rhinotracheitis, Feline Calicivirus and Feline Chlamydia.
Cats 8 weeks and older. For an initial vaccination course, two doses are required, injected at an interval of three to four weeks.
Booster vaccination. An annual booster of Fel-O-Vax 4 vaccine is recommended.