World's Best Scientists 2026 revealed!

D-Index & Metrics

Microbiology

D-Index
65
Citations
16272
World Ranking
2495
National Ranking
1013

Overview

John A. Ellis is affiliated with Western University of Health Sciences in the United States. Their research contributions span multiple fields within medicine, immunology, and microbiology, focusing on infectious diseases, epidemiology, and related subfields.

Ellis's recent publications include:

  • Canine IgA: Immunity in the Respiratory Tract, With or Without You (2020) in Advances in Small Animal Medicine and Surgery
  • COVID-19: Is It Raining (on) Cats and Dogs? (2020) in Advances in Small Animal Medicine and Surgery
  • Microbial communities and tight junction protein expression in the gastrointestinal tract of feedlot cattle (2025) in Scientific Reports

The scientist's frequent co-authors are:

  • Victor S. Cortese
  • G Duhamel
  • Robert W. Fulton
  • Dwight D. Bowman
  • Barbara A. Byrne

Ellis has published primarily in the venues:

  • Advances in Small Animal Medicine and Surgery
  • Scientific Reports

The main fields of study for Ellis's research comprise:

  • Medicine
  • Immunology and Microbiology

The research further investigates specific subfields including:

  • Infectious Diseases
  • Epidemiology
  • Agronomy and Crop Science
  • Microbiology
  • Immunology

The key topics covered in Ellis's work include:

  • Viral gastroenteritis research and epidemiology
  • Animal Disease Management and Epidemiology
  • Microbial infections and disease research
  • Immunodeficiency and Autoimmune Disorders
  • Respiratory viral infections research
  • Diabetes and associated disorders
  • SARS-CoV-2 and COVID-19 Research

Best Publications

  • Porcine circoviruses: a review.

    Gordon M. Allan;John A. Ellis

  • Isolation of Porcine Circovirus-like Viruses from Pigs with a Wasting Disease in the USA and Europe:

    G. M. Allan;F. McNeilly;S. Kennedy;B. Daft

  • Isolation of circovirus from lesions of pigs with postweaning multisystemic wasting syndrome.

    J Ellis;L Hassard;E Clark;J Harding

  • Characterization of novel circovirus DNAs associated with wasting syndromes in pigs.

    Brian M. Meehan;Francis McNeilly;Daniel Todd;Seamus Kennedy

  • Experimental infection of colostrum deprived piglets with porcine circovirus 2 (PCV2) and porcine reproductive and respiratory syndrome virus (PRRSV) potentiates PCV2 replication.

    G. M. Allan;F. McNeilly;J. Ellis;S. Krakowka

  • Reproduction of Lesions of Postweaning Multisystemic Wasting Syndrome in Gnotobiotic Piglets

    John Ellis;Steven Krakowka;Michael Dale Lairmore;Deborah Haines

  • Reproduction of lesions of postweaning multisystemic wasting syndrome by infection of conventional pigs with porcine circovirus type 2 alone or in combination with porcine parvovirus.

    S Kennedy;D Moffett;F McNeilly;B Meehan

  • Activation of the Immune System is the Pivotal Event in the Production of Wasting Disease in Pigs Infected with Porcine Circovirus-2 (PCV-2)

    S. Krakowka;J. A. Ellis;F. McNeilly;S. Ringler

  • Myocarditis and abortion associated with intrauterine infection of sows with porcine circovirus 2.

    Keith H. West;Janet M. Bystrom;Chris Wojnarowicz;Neil Shantz

  • PCV-2 genotype definition and nomenclature

    J. Segales;A. Olvera;L. Grau-Roma;C. Charreyre

  • Coinfection by porcine circoviruses and porcine parvovirus in pigs with naturally acquired postweaning multisystemic wasting syndrome.

    J. A. Ellis;A. Bratanich;E. G. Clark;G. Allan

  • Reproduction of postweaning multisystemic wasting syndrome (PMWS) in immunostimulated and non-immunostimulated 3-week-old piglets experimentally infected with porcine circovirus type 2 (PCV2).

    A.S. Ladekjær-Mikkelsen;Jens Nielsen;T. Stadejek;Torben Storgaard

  • Development and application of a competitive enzyme-linked immunosorbent assay for the detection of serum antibodies to porcine circovirus type 2.

    Ian W. Walker;Carrie A. Konoby;Victoria A. Jewhurst;Irene McNair

  • Novel porcine circoviruses from pigs with wasting disease syndromes.

    G. Allan;B. Meehan;D. Todd;S. Kennedy

  • Multiple porcine circovirus 2-associated abortions and reproductive failure in a multisite swine production unit.

    B O'Connor;H Gauvreau;K West;J Bogdan

  • Porcine circovirus-2 and concurrent infections in the field.

    J Ellis;E Clark;D Haines;K West

  • In vitro studies on the infection and replication of porcine circovirus type 2 in cells of the porcine immune system.

    D.F. Gilpin;K. McCullough;B.M. Meehan;F. McNeilly

  • Isolation and characterization of porcine circovirus 2 from cases of sow abortion and porcine dermatitis and nephropathy syndrome.

    B. M. Meehan;F. McNeilly;I. McNair;I. Walker

  • Effect of coinfection with genogroup 1 porcine torque teno virus on porcine circovirus type 2-associated postweaning multisystemic wasting syndrome in gnotobiotic pigs.

    John A. Ellis;Gordon Allan;Steven Krakowka

  • Production, characterisation and applications of monoclonal antibodies to porcine circovirus 2.

    F. McNeilly;I. McNair;D. P. Mackie;B. M. Meehan

Frequent Co-Authors

Gordon Allan
Gordon Allan Queen's University Belfast
Steven Krakowka
Steven Krakowka The Ohio State University
Deborah M. Haines
Deborah M. Haines Western University of Health Sciences
Brian Meehan
Brian Meehan Commonwealth Scientific and Industrial Research Organisation
Cheryl L. Waldner
Cheryl L. Waldner University of Saskatchewan
Paul S. Morley
Paul S. Morley Texas A&M University
Helene F. Rosenberg
Helene F. Rosenberg National Institute of Allergy and Infectious Diseases
Joseph B. Domachowske
Joseph B. Domachowske SUNY Upstate Medical University
Per Wallgren
Per Wallgren National Veterinary Institute
Kenneth C. McCullough
Kenneth C. McCullough University of Bern

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