2026 John E Madigan: Biology and Biochemistry Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Biology and Biochemistry	62	11017	10156	4762	4267	213	10879

Overview

John E Madigan is affiliated with the University of California, Davis in the United States. Their research spans several interconnected fields related to medicine, with a particular focus on infectious diseases, surgery, parasitology, equine medicine, and emergency medical services.

Madigan's published papers cover a range of topics within veterinary medicine and related clinical studies. Recent publications include:

"Validation of the Alpha Defensin Lateral Flow Test for Periprosthetic Joint Infection," 2020, Journal of Bone and Joint Surgery
"Disaster Medicine: Implementation of an animal health database in response to the 2018 California Camp Fire," 2020, Journal of the American Veterinary Medical Association
"Common and atypical presentations of Anaplasma phagocytophilum infection in equids with emphasis on neurologic and muscle disease," 2023, Journal of Veterinary Internal Medicine
"Current Operational Model for Veterinary Care in Large Animal Shelters During Disasters," 2020, Prehospital and Disaster Medicine
"Steroid precursors, steroids, neuroactive steroids, and neurosteroids concentrations in serum and saliva of healthy neonatal heifer Holstein calves," 2020, Journal of Veterinary Internal Medicine

The main scientific venues where Madigan frequently publishes include:

Journal of Veterinary Internal Medicine
Journal of the American Veterinary Medical Association
Journal of Bone and Joint Surgery
Prehospital and Disaster Medicine
Animals

Relevant coauthors who have collaborated with Madigan on multiple occasions are:

Monica Aleman
Lais R.R. Costa
Hayley G. Dieckmann
Carl Deirmengian
Sujith Kallur Mallikarjuna

The primary fields of study covered by Madigan's work include:

Medicine

Subfields of study more specifically represented in their research are:

Infectious Diseases
Surgery
Parasitology
Equine
Emergency Medical Services

The main topics of Madigan's research include:

Vector-borne infectious diseases
Veterinary Equine Medical Research
Viral Infections and Vectors
Disaster Response and Management
Orthopedic Infections and Treatments
Orthopaedic implants and arthroplasty
Total Knee Arthroplasty Outcomes

Best Publications

Direct cultivation of the causative agent of human granulocytic ehrlichiosis.

Jesse L. Goodman;Curtis Nelson;Blaise Vitale;John E. Madigan

609
Citations
Ehrlichioses in Humans: Epidemiology, Clinical Presentation, Diagnosis, and Treatment

J. Stephen Dumler;John E. Madigan;Nicola Pusterla;Johan S. Bakken;Johan S. Bakken

535
Citations
Serologic cross-reactions among Ehrlichia equi, Ehrlichia phagocytophila, and human granulocytic Ehrlichia.

J. S. Dumler;K. M. Asanovich;Johan S Bakken;P. Richter

387
Citations
Nested polymerase chain reaction for detection of Ehrlichia equi genomic DNA in horses and ticks (Ixodes pacificus)

Jeffrey E. Barlough;John E. Madigan;Elfriede DeRock;Luisa Bigornia

234
Citations
Detection of Leptospira spp. in the Aqueous Humor of Horses with Naturally Acquired Recurrent Uveitis

Nick A. Faber;Melissa Crawford;Rance B. LeFebvre;Nedim C. Buyukmihci

205
Citations
Equine ehrlichiosis in northern California: 49 cases (1968-1981).

Madigan Je;Gribble D

203
Citations
Ixodes pacificus (Acari: Ixodidae) as a Vector of Ehrlichia equi (Rickettsiales: Ehrlichieae)

P. J. Richter;R. B. Kimsey;John E Madigan;J. E. Barlough

201
Citations
Diagnostic testing for pituitary pars intermedia dysfunction in horses.

N. O. Dybdal;Kenneth M Hargreaves;J. E. Madigan;D. H. Gribble

189
Citations
ankA: an Ehrlichia phagocytophila Group Gene Encoding a Cytoplasmic Protein Antigen with Ankyrin Repeats

P. Caturegli;K. M. Asanovich;J. J. Walls;J. S. Bakken

187
Citations
Comparative pathology, and immunohistology associated with clinical illness after Ehrlichia phagocytophila-group infections.

H Lepidi;J E Bunnell;M E Martin;J E Madigan

179
Citations
Neosporosis as a cause of equine protozoal myeloencephalitis

Antoinette E. Marsh;Bradd C. Barr;John E Madigan;Jeffrey Lakritz

173
Citations
Antigenic Diversity of Granulocytic Ehrlichia Isolates from Humans in Wisconsin and New York and a Horse in California

Kristin M. Asanovich;Johan S. Bakken;John E. Madigan;Maria Aguero-Rosenfeld

165
Citations
Protection against naturally acquired Rhodococcus equi pneumonia in foals by administration of hyperimmune plasma.

John E Madigan;S. Hietala;N. Muller

160
Citations
Isolation of the equine granulocytic ehrlichiosis agent, Ehrlichia equi, in tick cell culture.

U G Munderloh;J E Madigan;J S Dumler;J L Goodman

151
Citations
Transmission and Passage in Horses of the Agent of Human Granulocytic Ehrlichiosis

John E. Madigan;John E. Madigan;Philip J. Richter;Philip J. Richter;Robert B. Kimsey;Robert B. Kimsey;Jeffrey E. Barlough;Jeffrey E. Barlough

142
Citations
Seroepidemiologic survey of antibodies to Ehrlichia equi in horses of northern California.

John E Madigan;S. Hietala;S. Chalmers;E. DeRock

137
Citations
Antimicrobial susceptibilities of equine isolates of Clostridium difficile and molecular characterization of metronidazole-resistant strains.

S. S. Jang;L. M. Hansen;J. E. Breher;D. A. Riley

131
Citations
Protection against Ehrlichia equi is conferred by prior infection with the human granulocytotropic Ehrlichia (HGE agent).

J. E. Barlough;John E Madigan;E. DeRock;J. S. Dumler

128
Citations
Apparent outbreaks of Clostridium difficile-associated diarrhea in horses in a veterinary medical teaching hospital.

Bruce R. Madewell;Yajarayma J. Tang;Spencer Jang;John E. Madigan

128
Citations
Diagnostic laparoscopy in the horse.

Fischer At;Lloyd Kc;Carlson Gp;Madigan Je

123
Citations