World's Best Scientists 2026 revealed!
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Animal Science and Veterinary
USA
2023

D-Index & Metrics

Microbiology

D-Index
71
Citations
19615
World Ranking
1831
National Ranking
782

Animal Science and Veterinary

D-Index
71
Citations
19488
World Ranking
149
National Ranking
47

Patrick G. Halbur publication distribution in Animal Science and Veterinary in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Animal Science and Veterinary in 2026. The highlighted bar marks where Patrick G. Halbur sits on this spectrum.

29–33 publications: 1 scientists 34–38 publications: 6 scientists 39–43 publications: 17 scientists 44–48 publications: 23 scientists 49–53 publications: 28 scientists 54–58 publications: 44 scientists 59–63 publications: 66 scientists 64–68 publications: 75 scientists 69–73 publications: 71 scientists 74–78 publications: 85 scientists 79–83 publications: 108 scientists 84–88 publications: 105 scientists 89–93 publications: 84 scientists 94–98 publications: 103 scientists 99–103 publications: 97 scientists 104–108 publications: 95 scientists 109–113 publications: 89 scientists 114–118 publications: 88 scientists 119–123 publications: 109 scientists 124–128 publications: 93 scientists 129–133 publications: 89 scientists 134–138 publications: 95 scientists 139–143 publications: 92 scientists 144–148 publications: 80 scientists 149–153 publications: 75 scientists 154–158 publications: 74 scientists 159–163 publications: 67 scientists 164–168 publications: 53 scientists 169–173 publications: 62 scientists 174–178 publications: 63 scientists 179–183 publications: 50 scientists 184–188 publications: 55 scientists 189–193 publications: 50 scientists 194–198 publications: 27 scientists 199–203 publications: 44 scientists 204–208 publications: 31 scientists 209–213 publications: 28 scientists 214–218 publications: 38 scientists 219–223 publications: 33 scientists 224–228 publications: 36 scientists 229–233 publications: 29 scientists 234–238 publications: 35 scientists 239–243 publications: 23 scientists 244–248 publications: 24 scientists 249–253 publications: 29 scientists 254–258 publications: 28 scientists 259–263 publications: 21 scientists 264–268 publications: 25 scientists 269–273 publications: 11 scientists 274–278 publications: 18 scientists 279–283 publications: 13 scientists 284–288 publications: 18 scientists 289–293 publications: 10 scientists 294–298 publications: 12 scientists 299–303 publications: 11 scientists 304–308 publications: 15 scientists 309–313 publications: 14 scientists 314–318 publications: 14 scientists 319–323 publications: 8 scientists 324–328 publications: 8 scientists 329–333 publications: 13 scientists 334–338 publications: 14 scientists 339–343 publications: 13 scientists 344–348 publications: 10 scientists 349–353 publications: 11 scientists 354–358 publications: 5 scientists 359–363 publications: 8 scientists 364–368 publications: 8 scientists 369–373 publications: 6 scientists 374–378 publications: 7 scientists 379–383 publications: 8 scientists 384–388 publications: 3 scientists 389–393 publications: 4 scientists 394–398 publications: 5 scientists 399–403 publications: 8 scientists 404–408 publications: 5 scientists 409–413 publications: 4 scientists 414–418 publications: 3 scientists 419–423 publications: 8 scientists 424–428 publications: 5 scientists 429–433 publications: 3 scientists 434–438 publications: 5 scientists 439–441 publications: 5 scientists 442+ publications: 99 scientists
29 publications 442+

This scientist: 192 publications — 72nd percentile

72% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 442 publications or more.

Patrick G. Halbur D-index placement in Animal Science and Veterinary in 2026

The chart shows the D-index (discipline H-index) distribution of Animal Science and Veterinary scientists ranked by Research.com in 2026. The highlighted bar marks where Patrick G. Halbur sits on this spectrum.

20 D-Index: 5 scientists 21 D-Index: 22 scientists 22 D-Index: 31 scientists 23 D-Index: 44 scientists 24 D-Index: 53 scientists 25 D-Index: 66 scientists 26 D-Index: 80 scientists 27 D-Index: 101 scientists 28 D-Index: 106 scientists 29 D-Index: 116 scientists 30 D-Index: 154 scientists 31 D-Index: 158 scientists 32 D-Index: 143 scientists 33 D-Index: 137 scientists 34 D-Index: 126 scientists 35 D-Index: 134 scientists 36 D-Index: 112 scientists 37 D-Index: 115 scientists 38 D-Index: 105 scientists 39 D-Index: 111 scientists 40 D-Index: 107 scientists 41 D-Index: 87 scientists 42 D-Index: 74 scientists 43 D-Index: 62 scientists 44 D-Index: 61 scientists 45 D-Index: 41 scientists 46 D-Index: 51 scientists 47 D-Index: 43 scientists 48 D-Index: 28 scientists 49 D-Index: 47 scientists 50 D-Index: 40 scientists 51 D-Index: 34 scientists 52 D-Index: 33 scientists 53 D-Index: 43 scientists 54 D-Index: 16 scientists 55 D-Index: 32 scientists 56 D-Index: 21 scientists 57 D-Index: 18 scientists 58 D-Index: 28 scientists 59 D-Index: 33 scientists 60 D-Index: 17 scientists 61 D-Index: 21 scientists 62 D-Index: 18 scientists 63 D-Index: 21 scientists 64 D-Index: 9 scientists 65 D-Index: 20 scientists 66 D-Index: 11 scientists 67 D-Index: 16 scientists 68 D-Index: 12 scientists 69 D-Index: 17 scientists 70 D-Index: 13 scientists 71 D-Index: 15 scientists 72 D-Index: 11 scientists 73 D-Index: 11 scientists 74 D-Index: 14 scientists 75 D-Index: 5 scientists 76 D-Index: 6 scientists 77+ D-Index: 100 scientists
20 D-Index 77+

This scientist: 71 D-Index — 95th percentile

95% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 77 D-Index or more.

Research.com Recognitions

  • 2023 - Research.com Animal Science and Veterinary in United States Leader Award
  • 2016 - Fellow, National Academy of Inventors

Overview

Patrick G. Halbur is affiliated with Iowa State University in the United States. Their research primarily spans the fields of Medicine and Agricultural and Biological Sciences, with a focus on Infectious Diseases, Animal Science and Zoology, Genetics, Agronomy and Crop Science, and Hepatology. The main research topics covered by Patrick G. Halbur include viral gastroenteritis research and epidemiology, animal virus infections studies, virus-based gene therapy research, animal disease management and epidemiology, SARS-CoV-2 and COVID-19 research, microbial infections and disease research, and prion diseases and protein misfolding.

Their recent publications cover a range of topics related to viral infections in animals, especially swine. Notable papers include:

  • Future perspectives on swine viral vaccines: where are we headed?, 2021, Porcine Health Management
  • Porcine Astrovirus Type 5-Associated Enteritis in Pigs, 2020, Journal of Comparative Pathology
  • Porcine circovirus type 2a or 2b based experimental vaccines provide protection against PCV2d/porcine parvovirus 2 co-challenge, 2020, Vaccine
  • An Ex Vivo Brain Slice Culture Model of Chronic Wasting Disease: Implications for Disease Pathogenesis and Therapeutic Development, 2020, Scientific Reports
  • Porcine Respiratory Coronavirus (PRCV): Isolation and Characterization of a Variant PRCV from USA Pigs, 2023, Pathogens

Frequent co-authors in their research include:

  • Tanja Opriessnig
  • Gaurav Rawal
  • Phillip C. Gauger
  • Anbu K. Karuppannan
  • Jianqiang Zhang

Patrick G. Halbur's work has been published multiple times in several key scientific venues including:

  • Vaccine
  • Pathogens
  • Frontiers in Veterinary Science
  • Porcine Health Management
  • Journal of Comparative Pathology

The scientist was recognized as a Fellow of the National Academy of Inventors in 2016. Their research contributions cover a multidisciplinary approach involving viral diseases in animals, vaccine development, and disease management.

Best Publications

  • A novel virus in swine is closely related to the human hepatitis E virus

    Xiang-Jin Meng;Robert H. Purcell;Patrick G. Halbur;James R. Lehman

  • Porcine circovirus type 2-associated disease: Update on current terminology, clinical manifestations, pathogenesis, diagnosis, and intervention strategies

    Tanja Opriessnig;Xiang-Jin Meng;Patrick G. Halbur

  • Comparison of the Pathogenicity of Two US Porcine Reproductive and Respiratory Syndrome Virus Isolates with that of the Lelystad Virus

    P. G. Halbur;P. S. Paul;M. L. Frey;J. Landgraf

  • Genetic and Experimental Evidence for Cross-Species Infection by Swine Hepatitis E Virus

    Xiang-Jin Meng;Patrick G. Halbur;Max S. Shapiro;Sugantha Govindarajan

  • Experimental Reproduction of Severe Disease in CD/CD Pigs Concurrently Infected with Type 2 Porcine Circovirus and Porcine Reproductive and Respiratory Syndrome Virus:

    P. A. Harms;S. D. Sorden;P. G. Halbur;S. R. Bolin

  • Polymicrobial respiratory disease in pigs

    Tanja Opriessnig;L G Giménez-Lirola;P G Halbur

  • Mycoplasma hyopneumoniae Potentiation of Porcine Reproductive and Respiratory Syndrome Virus-Induced Pneumonia

    Eileen L. Thacker;Patrick G. Halbur;Richard F. Ross;Roongroje Thanawongnuwech;Roongroje Thanawongnuwech

  • Experimental reproduction of postweaning multisystemic wasting syndrome in pigs by dual infection with Mycoplasma hyopneumoniae and porcine circovirus type 2.

    T. Opriessnig;E. L. Thacker;S. Yu;M. Fenaux

  • Detection of a Novel Strain of Porcine Circovirus in Pigs with Postweaning Multisystemic Wasting Syndrome

    Igor Morozov;Theerapol Sirinarumitr;Steven D. Sorden;Patrick G. Halbur

  • Detection by Reverse Transcription-PCR and Genetic Characterization of Field Isolates of Swine Hepatitis E Virus from Pigs in Different Geographic Regions of the United States

    F. F. Huang;G. Haqshenas;D. K. Guenette;P. G. Halbur

  • Detection and characterization of infectious Hepatitis E virus from commercial pig livers sold in local grocery stores in the USA

    A. R. Feagins;T. Opriessnig;D. K. Guenette;P. G. Halbur

  • Comparative pathogenesis of infection of pigs with hepatitis E viruses recovered from a pig and a human

    P. G. Halbur;C. Kasorndorkbua;C. Gilbert;D. Guenette

  • Evidence of Extrahepatic Sites of Replication of the Hepatitis E Virus in a Swine Model

    T. P. E. Williams;C. Kasorndorkbua;P. G. Halbur;G. Haqshenas

  • Genetic Characterization of Type 2 Porcine Circovirus (PCV-2) from Pigs with Postweaning Multisystemic Wasting Syndrome in Different Geographic Regions of North America and Development of a Differential PCR-Restriction Fragment Length Polymorphism Assay To Detect and Differentiate between Infections with PCV-1 and PCV-2

    Martijn Fenaux;Patrick G. Halbur;Mike Gill;Thomas E. Toth

  • Comparative Pathogenicity of Nine US Porcine Reproductive and Respiratory Syndrome Virus (PRRSV) Isolates in a Five-Week-Old Cesarean-Derived, Colostrum-Deprived Pig Model

    Patrick G. Halbur;Prem S. Paul;Xiang Jin Meng;Melissa A. Lum

  • Experimental infection of pigs with the newly identified swine hepatitis E virus (swine HEV), but not with human strains of HEV

    X.-J. Meng;P. G. Halbur;J. S. Haynes;T. S. Tsareva

  • Effect of Vaccination with Selective Bacterins on Conventional Pigs Infected with Type 2 Porcine Circovirus

    T. Opriessnig;S. Yu;J. M. Gallup;R. B. Evans

  • Global molecular genetic analysis of porcine circovirus type 2 (PCV2) sequences confirms the presence of four main PCV2 genotypes and reveals a rapid increase of PCV2d

    Chao-Ting Xiao;Patrick G. Halbur;Tanja Opriessnig;Tanja Opriessnig

  • Comparison of Molecular and Biological Characteristics of a Modified Live Porcine Reproductive and Respiratory Syndrome Virus (PRRSV) Vaccine (Ingelvac PRRS MLV), the Parent Strain of the Vaccine (ATCC VR2332), ATCC VR2385, and Two Recent Field Isolates of PRRSV

    T. Opriessnig;P. G. Halbur;K.-J. Yoon;R. M. Pogranichniy

  • The Level of Virus-Specific T-Cell and Macrophage Recruitment in Porcine Reproductive and Respiratory Syndrome Virus Infection in Pigs Is Independent of Virus Load

    Zhengguo Xiao;Laura Batista;Scott Dee;Patrick Halbur

  • Sequence comparison of open reading frames 2 to 5 of low and high virulence United States isolates of porcine reproductive and respiratory syndrome virus

    Xiang-Jin Meng;Prem S. Paul;Patrick G. Halbur;Igor Morozov

  • Molecular cloning and nucleotide sequencing of the 3'-terminal genomic RNA of the porcine reproductive and respiratory syndrome virus.

    Xiang-Jin Meng;Prem S. Paul;Patrick G. Halbur

Frequent Co-Authors

Tanja Opriessnig
Tanja Opriessnig Moredun Foundation
Xiang-Jin Meng
Xiang-Jin Meng Virginia Tech
Eileen L. Thacker
Eileen L. Thacker Agricultural Research Service
Kyoung-Jin Yoon
Kyoung-Jin Yoon Iowa State University
Suzanne U. Emerson
Suzanne U. Emerson National Institute of Allergy and Infectious Diseases
Robert H. Purcell
Robert H. Purcell National Institute of Allergy and Infectious Diseases
James A. Roth
James A. Roth Iowa State University
Phillip C. Gauger
Phillip C. Gauger Iowa State University
Scott Dee
Scott Dee University of Minnesota
Anumantha G. Kanthasamy
Anumantha G. Kanthasamy University of Georgia

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