Jonathan David Dear

Jonathan David Dear

Director and Associate Professor

Medicine & Epidemiology

Office
1 Garrod Dr., Davis, CA 95616

Licenses
Diplomate of the American College of Veterinary Internal Medicine - Small Animal Internal Medicine
Drug Enforcement Agency License
California Veterinary License #17095
USDA Accredited Veterinarian, Category I
Education
2003, BS, Emory University, Atlanta, Georgia
2007, DVM, University of Georgia, Athens, Georgia
2018, M.A.S., University of California, Davis, California
2016, Certificate, University of California Extension, Davis, California
2022, Universitas 21,
Active Research Grants
Principal Investigator, Babesia conradae epidemiology and hosts, (Principal Investigator), Judith McBean Foundation
Principal Investigator, Characterization of copper-associated hepatopathy in Labrador retrievers, (Principal Investigator), Center for Companion Animal Health
Co-Investigator, Effects of Treatment on Biomarker Change in Cats with Feline Interstitial Cystitis, Westropp, J (Principal Investigator), Center for Companion Animal Health
Most Recent Five Book Chapters
2023 Dear JD, Barrs VR: Chapter 211, Systemic Aspergillosis and Other Opportunistic Fungal Infections, Infectious Disease section, Ettinger S, Feldman E, Coté E, (ed), Ettinger’s Textbook of Veterinary Internal Medicine, 9th edition, . .
2023 Dear JD: Chapter 197, Systemic Protozoal Diseases, Infectious Disease section, Ettinger S, Feldman E, Coté E, (ed), Ettinger’s Textbook of Veterinary Internal Medicine, 9th edition, . .
2023 Barrs VR, Dear JD: Sino-Nasal and Sino-Orbital Aspergillosis, Infectious Disease Section, Ettinger S, Feldman E, Coté E, (ed), Ettinger’s Textbook of Veterinary Internal Medicine, 9th edition, . .
2023 Dear JD: Chapter 87, Arthrocentesis, Ettinger S, Feldman E, Coté E, (ed), Ettinger’s Textbook of Veterinary Internal Medicine, 9th edition, . .
2023 Dear JD: Chapter 32, Swollen Joints and Joint Pain, Ettinger S, Feldman E, Coté E, (ed), Ettinger’s Textbook of Veterinary Internal Medicine, 9th edition, . .
Research Focus
Small Animal Internal Medicine; Application of diagnostic laparoscopic and other minimally invasive procedures for veterinary patients, Investigation of emerging veterinary infectious diseases within the state of California, blood-borne, lower respiratory and urinary infections of dogs and cats.
Specialty Focus
My specialty focus is small animal internal medicine. My clinical focuses are on infectious, urinary and respiratory diseases of dogs and cats. I am interested in studying naturally occuring disease in these species as a model of disease for humans.
Ten Recent Publications

2024
Dear JD, Hulsebosch SE, Johnson LR
Recognition and Diagnosis of Underlying Disease Processes in Bacterial Pneumonia

2023
Leisewitz A, Mrljak V, Dear JD, Birkenheuer A
The Diverse Pathogenicity of Various Babesia Parasite Species That Infect Dogs

2023
Lee MA, Hulsebosch SE, Affolter VK, Dear JD, Knipe MF, Maggs DJ, Moore BA, Outerbridge CA, Marsilio S
Polyautoimmunity with Polymyositis, Uveitis, and Progressive Cutaneous Depigmentation in a Mixed Breed Dog: A Case Report

2023
Cohen EA, Moeller CM, Dear JD^
Hypoadrenocorticism in a dog following recovery from alpha-amanitin intoxication

2023
Beaudoin AL, Bollig ER, Burgess BA, Cohn LA, Cole SD, Dear JD, Fellman C, Frey E, Goggs R, Johnston A, Kreuder A, KuKanich KS, LeCuyer TE, Menard J, Reagan KL, Sykes JE, Veir JK, Viviano K, Wayne A, Granick JL
Prevalence of antibiotic use for dogs and cats in U.S. veterinary teaching hospitals, August 2020

2023
Sutter CM, Dear J, Pires J, Sykes, J, Segev G, Westropp JL
Evaluation of a rapid immunoassay for bacteriuria in dogs

2023
Chan J, Dear JD, Palm C, Reagan KL
Incidence of acute kidney injury in dogs with systemic infections treated with amphotericin B

2022
Javeed NN, Shultz L, Barnum S, Foley JE, Hodzic E, Martínez-López B, Pascoe EL, Quinn N, Dear JD^
Prevalence and geographic distribution of Babesia conradae and detection of Babesia vogeli in free-ranging California coyotes (Canis latrans)

2022
Dear JD, Birkenheuer A
Babesia in North America: An Update

2022
Woerde DJ, Wittenburg L, Dear JD
Pharmacokinetics of Isavuconazole in Healthy Cats after Oral and Intravenous Administration