Yes, cats must receive the feline triple vaccine. The feline triple vaccine is crucial for preventing common feline infectious diseases, including feline panleukopenia, feline calicivirus disease, and feline herpesvirus disease, which pose serious threats to a cat's health.

Vaccination helps cats develop enough antibodies to resist these viruses and reduce their risk of illness. Therefore, for the health and well-being of your cat, it is recommended to take them for their feline triple vaccine on schedule.