Caring for our feline friends is a top priority, and one essential aspect of their well-being is vaccination. Act 2 Rescue understands the importance of protecting our furry companions from common feline diseases. In this blog post, we’ll provide valuable information about the FVRCP vaccine, vaccination schedules for kittens and cats, as well as some important considerations regarding vaccines.

The FVRCP Vaccine: A Triple Shield

The FVRCP vaccine is a superhero in the world of cat health, guarding against three common feline diseases: feline viral rhinotracheitis (FVR), calicivirus (C), and panleukopenia (P). These diseases can wreak havoc on a cat’s health, and vaccination is the key to preventing them.

Kitten & New Cat Vaccination Schedule: Building Immunity

For kittens & cats, the initial vaccination series is crucial in building their immunity fortress. Here’s a typical schedule:

First Vaccination: Usually administered at around 6 to 8 weeks of age. In rescue’s, this may be done at 1 lb/4 weeks if the kittens are healthy.

Second Vaccination: Given 3 to 4 weeks after the first shot (around 10-12 weeks of age). In rescue, this might be as soon as 2 weeks after the first vaccine.

Third Vaccination: Not needed in adult cats. It is administered another 3 to 4 weeks after the second shot (around 14-16 weeks of age). In rescue, this is done until they reach 16 weeks, regardless of whether it requires more than three vaccines. Mother’s milk can contain antigens that interfere with vaccine effectiveness, so it’s important to persist while in the rescue setting.

These initial vaccinations lay the foundation for a strong immune response to these diseases, helping kittens grow into healthy adults and keeping house cats safe from illnesses that may be brought in through shoes, bags, etc.

Booster Shots: Maintaining Protection

After the initial series, booster shots are crucial to maintain immunity. The frequency of boosters depends on various factors, including the specific vaccine used and the cat’s risk factors. In general:

One-Year Booster: It’s important to update the FVRCP vaccine annually, even if your cat stays indoors. Deadly diseases can linger in the environment, potentially endangering your cat.

Rabies Vaccine: This vaccine can be given after 4 months of age and is important for cats visiting groomers or boarding facilities. Indoor-only cats may not need this annually as there is not really a risk of exposure; consult your vet for guidance.

FELV/FIV Vaccines: These are typically unnecessary unless your cat is exposed to FELV/FIV-positive cats or roams outdoors. Act 2 Rescue advises caution regarding these vaccines due to the potential for “vaccine-induced false positives.”

Understanding Vaccine-Induced False Positives

Vaccination against FELV/FIV can lead to false positives on SNAP tests, as the vaccine stimulates the production of antibodies that the test detects. It’s crucial to consult your veterinarian and consider a SNAP test before vaccinating for these diseases, especially if you have a healthy cat.

If your cat tests positive on a SNAP test, consider further PCR testing, as SNAP tests can yield false positives.

Low Cost Options: 

In Riverside:  The Mary S. Roberts Pet Adoption Center – Vaccinations ( 

San Gabriel for Rescued Animals only (No Pets):  Services | SGV Animal Advocates ( 

Consult Your Veterinarian

Remember that the vaccination schedule should be tailored to your cat’s individual needs and local disease prevalence. Annual veterinary check-ups are essential to ensure your cat’s vaccinations are up-to-date and to receive guidance on their overall health.

Disclaimer: We are not veterinarians. Please verify the accuracy of this information with a qualified veterinarian. Act 2 Rescue is not responsible for any adverse outcomes resulting from the information provided. Your cat’s health should always be overseen by a licensed veterinarian.


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