Veterinary Medicine and Biomedical Sciences


Clinical Sciences


Infectious Diseases

Areas of Expertise

Diseases in cats

Michael Lappin

Lappin is the director of the Center for Companion Animal Studies at CSU and chair of the World Small Animal Veterinary Association One Health Committee.

Lappin studies immune responses to vaccination against respiratory viruses in cats. He also oversees a large diagnostic service for feline infectious agents, including toxoplasma gondii, bartonella, ehrlichia and others. Current areas of investigation include companion animals as carriers of drug-resistant staphylococci.

Lappin’s specialty is the upper respiratory disease complex, infectious causes of fever, and infectious cases of diarrhea in felines. He is editor of the textbook, “Feline Internal Medicine Secrets,” and the former chairperson of both the AAFP Panel on Feline Zoonoses and the AAFP Bartonella Panel.

Lappin has won several awards, including the Beecham Research Award and the Norden Distinguished Teaching Award.

Lappin holds a Ph.D. in parasitology from the University of Georgia.