World's Best Scientists 2026 revealed!

D-Index & Metrics

Microbiology

D-Index
58
Citations
12081
World Ranking
3424
National Ranking
301

Catherine A. Ison 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 Catherine A. Ison 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: 265 scientists 155–164 publications: 264 scientists 165–174 publications: 253 scientists 175–184 publications: 276 scientists 185–194 publications: 190 scientists 195–204 publications: 234 scientists 205–214 publications: 208 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: 287 publications — 75th percentile

75% of scientists in this discipline score the same or lower.

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

Catherine A. Ison 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 Catherine A. Ison 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: 112 scientists 57 D-Index: 136 scientists 58 D-Index: 162 scientists 59 D-Index: 151 scientists 60 D-Index: 139 scientists 61 D-Index: 123 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: 94 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: 58 D-Index — 39th percentile

39% of scientists in this discipline score the same or lower.

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

Overview

Catherine A. Ison is affiliated with Public Health England in the United Kingdom. Their research primarily focuses on infectious diseases and public health, with specific attention to reproductive tract infections and sexually transmitted infections.

The scientist's research outputs have been published exclusively in the journal Sexually Transmitted Infections. Their published articles include:

  • Antimicrobial resistance in Mycoplasma genitalium sampled from the British general population, 2020, Sexually Transmitted Infections
  • Test of cure study: a feasibility study to estimate the time to test of cure (TOC) for Neisseria gonorrhoeae and Chlamydia trachomatis infections, 2020, Sexually Transmitted Infections
  • Bacterial Special Interest Group Outputs: Provision of digital educational resources for Microscopy of STIs and Position Statement on inappropriate testing and treatment, 2022, Sexually Transmitted Infections

The scientist frequently collaborates with the following coauthors:

  • Sarah Alexander
  • Rachel Pitt
  • Magnus Unemo
  • Pam Sonnenberg
  • Simon Beddows

Main fields of study associated with the scientist include Medicine and Immunology and Microbiology. Subfields of their work span Microbiology, Physiology, Surgery, and General Health Professions.

The primary topics covered in their research are:

  • Reproductive tract infections research
  • Syphilis Diagnosis and Treatment
  • Genital Health and Disease
  • Adolescent Sexual and Reproductive Health

Best Publications

  • Abnormal bacterial colonisation of the genital tract and subsequent preterm delivery and late miscarriage

    P E Hay;R F Lamont;D Taylor-Robinson;D J Morgan

  • Rapid Sequence-Based Identification of Gonococcal Transmission Clusters in a Large Metropolitan Area

    Iona M. C. Martin;Catherine A. Ison;David M. Aanensen;Kevin A. Fenton;Kevin A. Fenton

  • Prevalence, risk factors, and uptake of interventions for sexually transmitted infections in Britain: findings from the National Surveys of Sexual Attitudes and Lifestyles (Natsal)

    Pam Sonnenberg;Soazig Clifton;Simon Beddows;Nigel Field

  • Neisseria gonorrhoeae acquires mutations in analogous regions of gyrA and parC in fluoroquinolone‐resistant isolates

    R J Belland;S G Morrison;C Ison;W M Huang

  • Validation of a simplified grading of Gram stained vaginal smears for use in genitourinary medicine clinics

    C A Ison;P E Hay

  • Gonorrhoea treatment failures to cefixime and azithromycin in England, 2010.

    C A Ison;J Hussey;K N Sankar;J Evans

  • High-level azithromycin resistance occurs in Neisseria gonorrhoeae as a result of a single point mutation in the 23S rRNA genes.

    Stephanie A. Chisholm;Jayshree Dave;Catherine A. Ison

  • A longitudinal study of the vaginal flora over a menstrual cycle.

    F E A Keane;C A Ison;D Taylor-Robinson

  • Cephalosporin MIC creep among gonococci: time for a pharmacodynamic rethink?

    Stephanie A. Chisholm;Johan W. Mouton;David A. Lewis;David A. Lewis;Tom Nichols

  • Lymphogranuloma Venereum in the United Kingdom

    Helen Ward;Iona Martin;Neil Macdonald;Sarah Alexander

  • Gonococcal Resistance to β-Lactams and Tetracycline Involves Mutation in Loop 3 of the Porin Encoded at the penB Locus

    M. J. Gill;S. Simjee;K. Al-Hattawi;B. D. Robertson

  • Molecular epidemiological typing within the European Gonococcal Antimicrobial Resistance Surveillance Programme reveals predominance of a multidrug-resistant clone

    S. A. Chisholm;Magnus Unemo;N. Quaye;E. Johansson

  • Decreased susceptibility to cephalosporins among gonococci: data from the Gonococcal Resistance to Antimicrobials Surveillance Programme (GRASP) in England and Wales, 2007–2011

    Catherine A Ison;Katy Town;Chinelo Obi;Stephanie Chisholm

  • European Surveillance of Sexually Transmitted Infections (ESSTI): the first combined antimicrobial susceptibility data for Neisseria gonorrhoeae in Western Europe

    I. M. C. Martin;S. Hoffmann;C. A. Ison

  • Evaluation of commercial kits for the identification of Neisseria gonorrhoeae.

    Sarah Alexander;Catherine Ison

  • Emergence of high-level azithromycin resistance in Neisseria gonorrhoeae in England and Wales

    S. A. Chisholm;T. J. Neal;A. B. Alawattegama;H. D. L. Birley

  • The epidemiology of global antibiotic resistance among Neisseria gonorrhoeae and Haemophilus ducreyi.

    Catherine A Ison;Jo-Anne R Dillon;John W Tapsall

  • Whole-genome sequences of Chlamydia trachomatis directly from clinical samples without culture

    Helena M.B. Seth-Smith;Simon R. Harris;Rachel J. Skilton;Frans M. Radebe

  • Epidemiology of Mycoplasma genitalium in British men and women aged 16–44 years: evidence from the third National Survey of Sexual Attitudes and Lifestyles (Natsal-3)

    Pam Sonnenberg;Catherine A Ison;Soazig Clifton;Nigel Field

  • The prevalence of lymphogranuloma venereum infection in men who have sex with men: results of a multicentre case finding study.

    Helen Ward;Sarah Alexander;Caroline Carder;Gillian Dean

  • Opa‐typing: a high‐resolution tool for studying the epidemiology of gonorrhoea

    Maria O'Rourke;Catherine A. Ison;Adrian M. Renton;Brian G. Spratt

Frequent Co-Authors

Michelle Cole
Michelle Cole Public Health England
Magnus Unemo
Magnus Unemo Örebro University
Catherine H Mercer
Catherine H Mercer University College London
Kevin A. Fenton
Kevin A. Fenton Public Health England
Brian G. Spratt
Brian G. Spratt Imperial College London
Anne M Johnson
Anne M Johnson University College London
Andrew Copas
Andrew Copas University College London
David Taylor-Robinson
David Taylor-Robinson Imperial College London
David M. Livermore
David M. Livermore University of East Anglia
Michael Gill
Michael Gill Trinity College Dublin

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