World's Best Scientists 2026 revealed!

D-Index & Metrics

Microbiology

D-Index
61
Citations
18348
World Ranking
2953
National Ranking
263

Alan P. Johnson 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 Alan P. Johnson 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: 256 publications — 67th percentile

67% of scientists in this discipline score the same or lower.

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

Alan P. Johnson 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 Alan P. Johnson 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: 61 D-Index — 47th percentile

47% of scientists in this discipline score the same or lower.

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

Overview

Alan P. Johnson is affiliated with Public Health England in the United Kingdom and has contributed to the field of medicine with a focus on multiple subfields including epidemiology, infectious diseases, clinical biochemistry, applied microbiology and biotechnology, and ophthalmology.

Their research topics primarily encompass antimicrobial resistance in staphylococcus, bacterial identification and susceptibility testing, antibiotic use and resistance, streptococcal infections and treatments, antibiotic resistance in bacteria, retinal imaging and analysis, and retinal diseases and treatments.

Recent publications by Alan P. Johnson include the following:

  • "Pivotal Evaluation of an Artificial Intelligence System for Autonomous Detection of Referrable and Vision-Threatening Diabetic Retinopathy," 2021, published in JAMA Network Open
  • "Investigation of the impact of the NICE guidelines regarding antibiotic prophylaxis during invasive dental procedures on the incidence of infective endocarditis in England: an electronic health records study," 2020, published in BMC Medicine
  • "Ocular complications of cat scratch disease," 2020, published in British Journal of Ophthalmology
  • "Surveillance of bloodstream infections in intensive care units in England, May 2016-April 2017: epidemiology and ecology," 2020, published in Journal of Hospital Infection
  • "Activity of ceftaroline versus ceftobiprole against staphylococci and pneumococci in the UK and Ireland: analysis of BSAC surveillance data," 2020, published in Journal of Antimicrobial Chemotherapy

Frequent co-authors working with Alan P. Johnson include:

  • David M. Livermore
  • Berit Müller-Pebody
  • Susan Hopkins
  • M Allen
  • Derek F. J. Brown

Key publication venues where Alan P. Johnson has appeared frequently are:

  • Journal of Antimicrobial Chemotherapy
  • JAMA Network Open
  • BMC Medicine
  • British Journal of Ophthalmology
  • Journal of Hospital Infection

Best Publications

  • Attributable deaths and disability-adjusted life-years caused by infections with antibiotic-resistant bacteria in the EU and the European Economic Area in 2015: a population-level modelling analysis

    Alessandro Cassini;Liselotte Diaz Högberg;Diamantis Plachouras;Annalisa Quattrocchi

  • Emergence and spread of vancomycin resistance among enterococci in Europe

    Guido Werner;T. M. Coque;A. M. Hammerum;R. Hope

  • Community and hospital spread of Escherichia coli producing CTX-M extended-spectrum β-lactamases in the UK

    N. Woodford;M. E. Ward;M. E. Kaufmann;J. Turton

  • Global spread of antibiotic resistance: the example of New Delhi metallo-β-lactamase (NDM)- mediated carbapenem resistance

    Alan P. Johnson;Neil Woodford

  • Editorial: Assessing the antimicrobial susceptibility of bacteria obtained from animals

    Stefan Schwarz;Peter Silley;Shabbir Simjee;Neil Woodford

  • High-level vancomycin-resistant enterococci causing hospital infections.

    A H C Uttley;R C George;J Naidoo;N Woodford

  • Bacteraemia and antibiotic resistance of its pathogens reported in England and Wales between 1990 and 1998: trend analysis

    Mark H Reacher;Anita Shah;David M Livermore;Martin C J Wale

  • Current perspectives on glycopeptide resistance.

    N Woodford;A P Johnson;Donald Morrison;D C Speller

  • Transferable resistance to colistin: a new but old threat

    Stefan Schwarz;Alan P. Johnson

  • Quantifying drivers of antibiotic resistance in humans: a systematic review

    Anuja Chatterjee;Maryam Modarai;Nichola R Naylor;Sara E Boyd;Sara E Boyd;Sara E Boyd

  • Effects of control interventions on Clostridium difficile infection in England: an observational study

    Kate E Dingle;Kate E Dingle;Kate E Dingle;Xavier Didelot;T Phuong Quan;T Phuong Quan;T Phuong Quan;David W Eyre;David W Eyre

  • Surveillance and epidemiology of MRSA bacteraemia in the UK

    Alan P. Johnson;Andrew Pearson;Georgia Duckworth

  • Methicillin-resistant Staphylococcus aureus: the European landscape

    Alan P Johnson

  • Assessing the antimicrobial susceptibility of bacteria obtained from animals.

    Stefan Schwarz;Peter Silley;Shabbir Simjee;Neil Woodford

  • Detection of the mec-A gene and phenotypic detection of resistance in Staphylococcus aureus isolates with borderline or low-level methicillin resistance

    G. E. Bignardi;N. Woodford;A. Chapman;A. P. Johnson

  • Detection of the plasmid-mediated mcr-1 gene conferring colistin resistance in human and food isolates of Salmonella enterica and Escherichia coli in England and Wales

    Michel Doumith;Gauri Godbole;Philip Ashton;Lesley Larkin

  • Empirical treatment of neonatal sepsis: are the current guidelines adequate?

    Berit Muller-Pebody;Alan Johnson;P. T. Heath;R. E. Gilbert

  • Resistance to methicillin and other antibiotics in isolates of Staphylococcus aureus from blood and cerebrospinal fluid, England and Wales, 1989–95

    D. C. E. Speller;A. P. Johnson;D. James;R. R. Marples

  • Trends among pathogens reported as causing bacteraemia in England, 2004-2008.

    Jennie Wilson;Suzanne Elgohari;D. M. Livermore;Barry D. Cookson

  • Incidence, Etiology, and Outcome of Bacterial Meningitis in Infants Aged <90 Days in the United Kingdom and Republic of Ireland: Prospective, Enhanced, National Population-Based Surveillance

    Ifeanyichukwu O Okike;Ifeanyichukwu O Okike;Alan P Johnson;Katherine L Henderson;Ruth M Blackburn

  • Attributable deaths and disability-adjusted life-years caused by infections with antibiotic-resistant bacteria in the EU and the European Economic Area in 2015: a population-level modelling analysis

    Alessandro Cassini;Liselotte Diaz Hogberg;Diamantis Plachouras;Annalisa Quattrocchi

Frequent Co-Authors

David M. Livermore
David M. Livermore University of East Anglia
Marina Warner
Marina Warner Public Health England
Mike Sharland
Mike Sharland St George's, University of London
A. Sarah Walker
A. Sarah Walker University of Oxford
Barry Cookson
Barry Cookson University College London
David Taylor-Robinson
David Taylor-Robinson Imperial College London
Tim E. A. Peto
Tim E. A. Peto University of Oxford
Shamez N. Ladhani
Shamez N. Ladhani UK Health Security Agency
Derrick W. Crook
Derrick W. Crook University of Oxford
Alison Holmes
Alison Holmes Imperial College London

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