Vaccinating Your Kitten Vaccines are an important part of your kitten’s overall health because they protect her and others against infectious diseases. To help ensure the best possible immunity to these diseases, your kitten should receive vaccine boosters within the recommended 3-4 weeks. FVRCP: Feline Rhinotracheitis, Calicivirus, Panleukopenia Kittens should receive their first FVRCP vaccines [...]