World's Best Scientists 2026 revealed!

D-Index & Metrics

Microbiology

D-Index
72
Citations
16403
World Ranking
1775
National Ranking
149

Tom J. Humphrey publication distribution in Microbiology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Microbiology in 2026. The highlighted bar marks where Tom J. Humphrey sits on this spectrum.

55–64 publications: 8 scientists 65–74 publications: 29 scientists 75–84 publications: 55 scientists 85–94 publications: 112 scientists 95–104 publications: 137 scientists 105–114 publications: 190 scientists 115–124 publications: 235 scientists 125–134 publications: 234 scientists 135–144 publications: 288 scientists 145–154 publications: 264 scientists 155–164 publications: 264 scientists 165–174 publications: 253 scientists 175–184 publications: 276 scientists 185–194 publications: 190 scientists 195–204 publications: 233 scientists 205–214 publications: 207 scientists 215–224 publications: 198 scientists 225–234 publications: 155 scientists 235–244 publications: 161 scientists 245–254 publications: 160 scientists 255–264 publications: 146 scientists 265–274 publications: 139 scientists 275–284 publications: 148 scientists 285–294 publications: 115 scientists 295–304 publications: 96 scientists 305–314 publications: 88 scientists 315–324 publications: 106 scientists 325–334 publications: 65 scientists 335–344 publications: 76 scientists 345–354 publications: 64 scientists 355–364 publications: 62 scientists 365–374 publications: 65 scientists 375–384 publications: 61 scientists 385–394 publications: 34 scientists 395–404 publications: 44 scientists 405–414 publications: 36 scientists 415–424 publications: 35 scientists 425–434 publications: 29 scientists 435–444 publications: 33 scientists 445–454 publications: 34 scientists 455–464 publications: 25 scientists 465–474 publications: 26 scientists 475–484 publications: 20 scientists 485–494 publications: 19 scientists 495–504 publications: 16 scientists 505–514 publications: 17 scientists 515–524 publications: 23 scientists 525–534 publications: 14 scientists 535–544 publications: 14 scientists 545–554 publications: 18 scientists 555–564 publications: 12 scientists 565–574 publications: 7 scientists 575–584 publications: 9 scientists 585–594 publications: 9 scientists 595–604 publications: 9 scientists 605–614 publications: 7 scientists 615–624 publications: 9 scientists 625–634 publications: 7 scientists 635–644 publications: 4 scientists 645–654 publications: 5 scientists 655–664 publications: 6 scientists 665–674 publications: 7 scientists 675–678 publications: 3 scientists 679+ publications: 99 scientists
55 publications 679+

This scientist: 202 publications — 50th percentile

50% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 679 publications or more.

Tom J. Humphrey D-index placement in Microbiology in 2026

The chart shows the D-index (discipline H-index) distribution of Microbiology scientists ranked by Research.com in 2026. The highlighted bar marks where Tom J. Humphrey sits on this spectrum.

40 D-Index: 30 scientists 41 D-Index: 86 scientists 42 D-Index: 90 scientists 43 D-Index: 117 scientists 44 D-Index: 122 scientists 45 D-Index: 123 scientists 46 D-Index: 108 scientists 47 D-Index: 110 scientists 48 D-Index: 106 scientists 49 D-Index: 109 scientists 50 D-Index: 129 scientists 51 D-Index: 111 scientists 52 D-Index: 116 scientists 53 D-Index: 127 scientists 54 D-Index: 134 scientists 55 D-Index: 134 scientists 56 D-Index: 111 scientists 57 D-Index: 136 scientists 58 D-Index: 162 scientists 59 D-Index: 151 scientists 60 D-Index: 139 scientists 61 D-Index: 122 scientists 62 D-Index: 126 scientists 63 D-Index: 144 scientists 64 D-Index: 109 scientists 65 D-Index: 103 scientists 66 D-Index: 124 scientists 67 D-Index: 112 scientists 68 D-Index: 103 scientists 69 D-Index: 131 scientists 70 D-Index: 93 scientists 71 D-Index: 93 scientists 72 D-Index: 96 scientists 73 D-Index: 92 scientists 74 D-Index: 80 scientists 75 D-Index: 66 scientists 76 D-Index: 87 scientists 77 D-Index: 60 scientists 78 D-Index: 73 scientists 79 D-Index: 59 scientists 80 D-Index: 57 scientists 81 D-Index: 55 scientists 82 D-Index: 47 scientists 83 D-Index: 77 scientists 84 D-Index: 50 scientists 85 D-Index: 45 scientists 86 D-Index: 42 scientists 87 D-Index: 41 scientists 88 D-Index: 32 scientists 89 D-Index: 38 scientists 90 D-Index: 35 scientists 91 D-Index: 34 scientists 92 D-Index: 27 scientists 93 D-Index: 26 scientists 94 D-Index: 33 scientists 95 D-Index: 22 scientists 96 D-Index: 37 scientists 97 D-Index: 22 scientists 98 D-Index: 21 scientists 99 D-Index: 22 scientists 100 D-Index: 30 scientists 101 D-Index: 16 scientists 102 D-Index: 20 scientists 103 D-Index: 17 scientists 104 D-Index: 19 scientists 105 D-Index: 16 scientists 106 D-Index: 19 scientists 107 D-Index: 18 scientists 108 D-Index: 14 scientists 109 D-Index: 10 scientists 110 D-Index: 9 scientists 111 D-Index: 7 scientists 112 D-Index: 11 scientists 113 D-Index: 6 scientists 114 D-Index: 15 scientists 115 D-Index: 10 scientists 116 D-Index: 12 scientists 117 D-Index: 7 scientists 118 D-Index: 10 scientists 119 D-Index: 10 scientists 120 D-Index: 11 scientists 121 D-Index: 2 scientists 122 D-Index: 7 scientists 123 D-Index: 12 scientists 124 D-Index: 5 scientists 125 D-Index: 9 scientists 126 D-Index: 6 scientists 127+ D-Index: 95 scientists
40 D-Index 127+

This scientist: 72 D-Index — 69th percentile

69% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 127 D-Index or more.

Overview

Tom J. Humphrey is affiliated with Swansea University in the United Kingdom. Their research primarily focuses on Agricultural and Biological Sciences, with a pronounced emphasis on Infectious Diseases, Food Science, Ecology, Political Science and International Relations, and Archeology.

They have contributed to various topics that include:

  • Salmonella and Campylobacter epidemiology
  • Viral gastroenteritis research and epidemiology
  • American Constitutional Law and Politics
  • Bacteriophages and microbial interactions
  • Animal Nutrition and Physiology
  • Aquaculture Nutrition and Growth
  • Reproductive biology and impacts on aquatic species

Humphrey's publication record features research articles published in diverse venues such as:

  • PLoS ONE
  • Applied and Environmental Microbiology
  • Cryobiology
  • ScholarlyCommons (University of Pennsylvania)
  • Access Microbiology

Notable recent papers include:

  • Increasing prevalence of a fluoroquinolone resistance mutation amongst Campylobacter jejuni isolates from four human infectious intestinal disease studies in the United Kingdom, 2020, PLoS ONE
  • Campylobacter jejuni ST353 and ST464 cause localized gut inflammation, crypt damage, and extraintestinal spread during large- and small-scale infection in broiler chickens, 2025, Applied and Environmental Microbiology
  • Revival of cryopreserved larvae from the important aquaculture species Pacific White Shrimp (Litopenaeus vannamei) using vitrification and ultra-rapid laser warming, 2024, Cryobiology
  • West and East Caln, Pennsylvania 1798 Direct Tax, 2024, ScholarlyCommons (University of Pennsylvania)
  • Coinfection Mechanisms of Campylobacter and Escherichia coli in Human and Chicken Epithelial cells, 2020, Access Microbiology

Collaborative work has been carried out with several co-authors, including:

  • Lisa Williams
  • Thomas S. Wilkinson
  • Sam Haldenby
  • Christina Bronowski
  • Charlotte Nelson

Best Publications

  • Campylobacters as zoonotic pathogens: A food production perspective

    Tom Humphrey;Sarah O'Brien;Mogens Madsen

  • Mechanisms of egg contamination by Salmonella Enteritidis

    Inne Gantois;Richard Ducatelle;Frank Pasmans;Freddy Haesebrouck

  • Comparative genome analysis of Salmonella Enteritidis PT4 and Salmonella Gallinarum 287/91 provides insights into evolutionary and host adaptation pathways.

    Nicholas R. Thomson;Debra J. Clayton;Daniel Windhorst;Georgios Vernikos

  • Prevalence and numbers of Salmonella and Campylobacter spp. on raw, whole chickens in relation to sampling methods

    F Jørgensen;RA Bailey;S Williams;P Henderson

  • Sources of Campylobacter spp. colonizing housed broiler flocks during rearing.

    Stephanie A Bull;VM Allen;G Domingue;F Jørgensen

  • The effectiveness of hygiene procedures for prevention of cross-contamination from chicken carcases in the domestic kitchen.

    Tristan A Cogan;SF Bloomfield;TJ Humphrey

  • Campylobacter jejuni Is Not Merely a Commensal in Commercial Broiler Chickens and Affects Bird Welfare

    Suzanne Humphrey;Gemma Chaloner;Kirsty Kemmett;Nicola Davidson

  • The rise and fall of Salmonella Enteritidis in the UK

    Tristan A Cogan;TJ Humphrey

  • Changes in the carriage of Campylobacter strains by poultry carcasses during processing in abattoirs.

    D. G. Newell;J. E. Shreeve;M. Toszeghy;G. Domingue

  • Patterns of genome evolution that have accompanied host adaptation in Salmonella.

    Gemma C. Langridge;Maria Fookes;Thomas R. Connor;Theresa Feltwell

  • Salmonella bongori provides insights into the evolution of the salmonellae

    Maria Fookes;Gunnar N Schroeder;Gemma C. Langridge;Carlos J. Blondel

  • Achieving hygiene in the domestic kitchen: the effectiveness of commonly used cleaning procedures

    Tristan A Cogan;J Slader;SF Bloomfield;TJ Humphrey

  • Norepinephrine increases the pathogenic potential of Campylobacter jejuni.

    Tristan A Cogan;Alastair O Thomas;Louisa En Rees;Alan H Taylor

  • Survival of Escherichia coli 0157 in a soil protozoan: implications for disease

    John Barker;Tom J Humphrey;Michael W.R Brown

  • Are happy chickens safer chickens? Poultry welfare and disease susceptibility

    Tom Humphrey

  • Prolonged treatment of Salmonella enterica serovar Typhimurium with commercial disinfectants selects for multiple antibiotic resistance, increased efflux and reduced invasiveness

    Kimon A. G. Karatzas;Mark A. Webber;Frieda Jorgensen;Martin J. Woodward

  • Distinct Salmonella Enteritidis lineages associated with enterocolitis in high-income settings and invasive disease in low-income settings

    Nicholas A. Feasey;James Hadfield;Karen Helena Keddy;Timothy J Dallman

  • Campylobacter spp. contamination of chicken carcasses during processing in relation to flock colonisation

    V. M. Allen;S. A. Bull;J. E.L. Corry;G. Domingue

  • Impact of Transport Crate Reuse and of Catching and Processing on Campylobacter and Salmonella Contamination of Broiler Chickens

    J. Slader;G. Domingue;F. Jørgensen;K. McAlpine

  • The survival of foodborne pathogens during domestic washing-up and subsequent transfer onto washing-up sponges, kitchen surfaces and food

    Karen Mattick;Karen Durham;Gil Domingue;Frieda Jørgensen

Frequent Co-Authors

Nicola J. Williams
Nicola J. Williams University of Liverpool
Duncan J. Maskell
Duncan J. Maskell University of Melbourne
Paul Barrow
Paul Barrow University of Surrey
Julian Parkhill
Julian Parkhill University of Cambridge
Laura J. V. Piddock
Laura J. V. Piddock University of Birmingham
Nicholas R. Thomson
Nicholas R. Thomson Wellcome Sanger Institute
Martin J. Woodward
Martin J. Woodward University of Reading
Robert A. Kingsley
Robert A. Kingsley University of East Anglia
Mark P. Stevens
Mark P. Stevens University of Edinburgh
Gordon Dougan
Gordon Dougan University of Cambridge

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