This document provides information about infectious disease control for cats. It discusses several common infectious diseases that affect cats in shelters, including cat flu caused by feline herpesvirus and calicivirus, feline parvovirus, ringworm, feline leukemia virus (FeLV), and feline immunodeficiency virus (FIV). It explains the clinical signs, diagnosis, and treatment approaches for these diseases. It emphasizes the importance of vaccination, isolation, barrier nursing, and disinfection in containing the spread of diseases among sheltered cat populations. The document concludes by outlining best practices for using personal protective equipment and disinfection to limit disease transmission.