Cynda Crawford, DVM, PhD

Crawford_SquareMaddie’s® Clinical Assistant Professor of Shelter Medicine

Dr. Crawford’s interests include diagnosis, treatment, management, and prevention of infectious diseases in dogs and cats in sheltering facilities. Her current focus is the diagnosis of viruses and bacteria that cause acute respiratory infections in dogs in shelters. Dr. Crawford’s accomplishments include discovery of canine influenza virus and evaluation of diagnostic assays for common canine pathogens in animal shelters.


  • DVM, University of Florida, 1989
  • PhD, Immunology/Infectious Disease, University of Florida, 1984
  • MS, Animal Science, North Carolina State University, 1978
  • BS, Animal Science, North Carolina State University, 1975


  • Pfizer Award for Research Excellence, University of Florida, 2006
  • Superior Accomplishment Award for discovery of canine influenza virus, University of Florida, 2006
  • Florida Association of Kennel Clubs Award for Outstanding Clinical Investigation, 2005

Selected Publications:

Full list of publications by Dr. Crawford at PubMed

  • Payungporn S, Crawford PC, Kouo TS, Chen LM, Pompey J, Castleman WL, Dubovi EJ, Katz JM, Donis RO. Influenza A virus (H3N8) in dogs with respiratory disease, Florida. Emerg Infect Dis 2008;14:902-908.
  • Levy J, Crawford C, Hartmann K, Hofmann-Lehmann R, Little S, Sundahl E, Thayer V. 2008 American Association of Feline Practitioners’ feline retrovirus management guidelines. J Feline Med Surg 2008;10:300-316.
  • Reese MJ, Patterson EV, Tucker SJ, Dubovi EJ, Davis RD, Crawford PC, Levy JK. Effects of anesthesia and surgery on serologic responses to vaccination in kittens. J Am Vet Med Assoc 2008;233:116-121.
  • Levy JK, Crawford PC, Kusuhara H, Motokawa K, Gemma T, Watanabe R, Arai S, Bienzle D, Hohdatsu T. Differentiation of feline immunodeficiency virus vaccination, infection, or vaccination and infection in cats. J Vet Intern Med 2008;22:330-334.
  • Levy JK, Crawford PC, Lappin MR, Dubovi EJ, Levy MG, Alleman R, Tucker SJ, Clifford EL. Infectious diseases of dogs and cats on Isabela Island, Galapagos. J Vet Intern Med 2008;22:60-65.
  • Levy JK, Crawford PC, Appel LD, Clifford EL. Comparison of intratesticular injection of zinc gluconate versus surgical castration to sterilize male dogs. Am J Vet Res 2008;69:140-143.
  • Rosenberger JA, Pablo NV, Crawford PC. Prevalence of and intrinsic risk factors for appendicular osteosarcoma in dogs: 179 cases (1996-2005). J Am Vet Med Assoc 2007;231:1076-1080.
  • Patterson EV, Reese MJ, Tucker SJ, Dubovi EJ, Crawford PC, Levy JK. Effect of vaccination on parvovirus antigen testing in kittens. J Am Vet Med Assoc 2007;230:359-363.
  • Fischer SM, Quest CM, Dubovi EJ, Davis RD, Tucker SJ, Friary JA, Crawford PC, Ricke TA, Levy JK. Response of feral cats to vaccination at the time of neutering. J Am Vet Med Assoc 2007;230:52-58.
  • Coffey LL, Crawford C, Dee J, Miller R, Freier J, Weaver SC. Serologic evidence of widespread everglades virus activity in dogs, Florida. Emerg Infect Dis 2006;12:1873-1879.
  • Claus MA, Levy JK, MacDonald K, Tucker SJ, Crawford PC. Immunoglobulin concentrations in feline colostrum and milk, and the requirement of colostrum for passive transfer of immunity to neonatal kittens. J Feline Med Surg 2006;8:184-191.
  • Levy JK, Scott HM, Brien JL, Crawford PC. Seroprevalence of feline leukemia virus and feline immunodeficiency virus infection in North American cats and risk factors for seropositivity. J Am Vet Med Assoc 2006;228:371-376.
  • Crawford PC, Levy JK, Werner LL. Surrogate markers for passive transfer of immunity in kittens. J Am Vet Med Assoc 2006;228:1038-1041.
  • Levy JK, Werner LL, Crawford PC. Effect of age on clinical biochemistry reference intervals for neonatal cats. J Am Vet Med Assoc 2006;228:1033-1037.
  • DiGangi BA, Crawford PC, Levy JK. Outcome of cats adopted from a biomedical research program. J Appl Anim Welf Sci 2006;9:143-163.
  • Hackett TB, Jensen WA, Lehman TL, Hohenhaus AE, Crawford PC, Giger U, Lappin MR. Prevalence of DNA of Mycoplasma haemofelis, ‘Candidatus Mycoplasma haemominutum,’ Anaplasma phagocytophilum, and species of Bartonella, Neorickettsia, and Ehrlichia in cats used as blood donors in the United States. J Am Vet Med Assoc 2006;229:700-705.
  • Wardrop KJ, Reine N, Birkenheuer A, Hale A, Hohenhaus A, Crawford C, Lappin M. Canine and feline blood donor screening for infectious disease. J Vet Intern Med 2005;19:135-142.
  • Crawford PC, Dubovi EJ, Castleman WL, Stephenson I, Gibbs EPJ, Chen L, Smith C, Hill RC, Ferro P, Pompey J, Bright RA, Medina M-J, Influenza Genomics Group, Johnson CM, Olsen CW, Cox NJ, Klimov AI, Katz JM, Donis RO. Transmission of equine influenza virus to dogs. Science 2005;310(5747):482-485.
  • Crawford PC, Slater MR, Levy JK. Accuracy of polymerase chain reaction for diagnosis of FIV infection . J Am Vet Med Assoc 2005;226:1503-1507.
  • Donald K, Levy JK, Tucker SJ, Crawford PC. Effects of passive transfer of immunity on results of diagnostic tests for antibodies against feline immunodeficiency virus in kittens born to vaccinated queens. J Am Vet Med Assoc 2004;225:1554-1557.
  • Levy JK, Crawford PC, Slater MR. Effect of vaccination against feline immunodeficiency virus on results of serological testing in cats. J Am Vet Med Assoc 2004;225:1558-1561.
  • Levy JK, Crawford PC. Humane strategies for controlling feral cat populations. J Am Vet Med Assoc 2004;225:1354-1360.
  • Crawford PC, Hanel RM, Levy JK. Evaluation of treatment of colostrum-deprived kittens with equine IgG. Am J Vet Res 2003;64:969-975.
  • Hanel RM, Crawford PC, Hernandez J, Benson NA, Levy JK. Neutrophil function and plasma opsonic capacity in colostrum-fed and colostrum-deprived neonatal kittens. Am J Vet Res 2003;64:538-543.
  • Lee IT, Levy JK, Gorman SP, Crawford PC, Slater MR. Prevalence of feline leukemia virus infection and serum antibodies against feline immunodeficiency virus in unowned free-roaming cats. J Am Vet Med Assoc 2002;220:620-622.
  • Scott KC, Levy JK, Crawford PC. Characteristics of free-roaming cats presented for sterilization. J Am Vet Med Assoc 2002;221:1136-1138.
  • Levy JK, Crawford PC, Collante WC, Papich MG. Use of adult cat serum to correct failure of passive transfer in kittens. J Am Vet Med Assoc 2001;219:1401-1405.