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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Microbiology 58 3424 3143 301 283 287 12081

Catherine A. Ison publications per year

The chart shows the history of publications by Catherine A. Ison between 1977 and 2022, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Catherine A. Ison published across 46 years, from 1977 to 2022, averaging 6.9 papers a year. Output peaked at 30 publications in 2013. 1 of the 317 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 1977 to 2022. Vertical axis: number of publications, 0 to 30. Peak 30 publications in 2013. 1977: 1 publication 1978: 0 publications 1979: 0 publications 1980: 0 publications 1981: 1 publication 1982: 3 publications 1983: 6 publications 1984: 3 publications 1985: 6 publications 1986: 3 publications 1987: 8 publications 1988: 9 publications 1989: 4 publications 1990: 4 publications 1991: 7 publications 1992: 2 publications 1993: 8 publications 1994: 3 publications 1995: 3 publications 1996: 7 publications 1997: 11 publications 1998: 9 publications 1999: 9 publications 2000: 9 publications 2001: 5 publications 2002: 7 publications 2003: 3 publications 2004: 10 publications 2005: 7 publications 2006: 12 publications 2007: 14 publications 2008: 11 publications 2009: 13 publications 2010: 9 publications 2011: 20 publications 2012: 10 publications 2013: 30 publications 2014: 16 publications 2015: 12 publications 2016: 6 publications 2017: 6 publications 2018: 5 publications 2019: 1 publication 2020: 3 publications 2021: 0 publications 2022: 1 publication
1977 2022

317 publications in total across all disciplines

View publications per year as a table
Catherine A. Ison: publications per year, 1977 to 2022
Year Publications
1977 1
1978 0
1979 0
1980 0
1981 1
1982 3
1983 6
1984 3
1985 6
1986 3
1987 8
1988 9
1989 4
1990 4
1991 7
1992 2
1993 8
1994 3
1995 3
1996 7
1997 11
1998 9
1999 9
2000 9
2001 5
2002 7
2003 3
2004 10
2005 7
2006 12
2007 14
2008 11
2009 13
2010 9
2011 20
2012 10
2013 30
2014 16
2015 12
2016 6
2017 6
2018 5
2019 1
2020 3
2021 0
2022 1
Total 317
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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.

No. of scientists
50 100 150 200 250
Bar chart with 64 bars. Horizontal axis: publications, 55–64 to 679+. Vertical axis: number of scientists, 0 to 288. Most scientists, 288, have 135–144 publications. The last bar groups every scientist with 679 publications or more. The highlighted bar, 285–294 publications, is where this scientist sits. 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
55–64 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.

View publications distribution as a table
Number of Microbiology scientists by publication count, Research.com 2026 ranking edition. Based on 5,513 ranked scientists.
Publications Scientists This scientist
55–64 8
65–74 29
75–84 55
85–94 112
95–104 137
105–114 190
115–124 235
125–134 234
135–144 288
145–154 265
155–164 264
165–174 253
175–184 276
185–194 190
195–204 234
205–214 208
215–224 198
225–234 155
235–244 161
245–254 160
255–264 146
265–274 139
275–284 148
285–294 115 287
295–304 96
305–314 88
315–324 106
325–334 65
335–344 76
345–354 64
355–364 62
365–374 65
375–384 61
385–394 34
395–404 44
405–414 36
415–424 35
425–434 29
435–444 33
445–454 34
455–464 25
465–474 26
475–484 20
485–494 19
495–504 16
505–514 17
515–524 23
525–534 14
535–544 14
545–554 18
555–564 12
565–574 7
575–584 9
585–594 9
595–604 9
605–614 7
615–624 9
625–634 7
635–644 4
645–654 5
655–664 6
665–674 7
675–678 3
679+ 99
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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.

No. of scientists
50 100 150
Bar chart with 88 bars. Horizontal axis: D-Index, 40 to 127+. Vertical axis: number of scientists, 0 to 162. Most scientists, 162, have 58 D-Index. The last bar groups every scientist with 127 D-Index or more. The highlighted bar, 58 D-Index, is where this scientist sits. 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.

View D-Index distribution as a table
Number of Microbiology scientists by D-index, Research.com 2026 ranking edition. Based on 5,513 ranked scientists.
D-Index Scientists This scientist
40 30
41 86
42 90
43 117
44 122
45 123
46 108
47 110
48 106
49 109
50 129
51 111
52 116
53 127
54 134
55 134
56 112
57 136
58 162 58
59 151
60 139
61 123
62 126
63 144
64 109
65 103
66 124
67 112
68 103
69 131
70 94
71 93
72 96
73 92
74 80
75 66
76 87
77 60
78 73
79 59
80 57
81 55
82 47
83 77
84 50
85 45
86 42
87 41
88 32
89 38
90 35
91 34
92 27
93 26
94 33
95 22
96 37
97 22
98 21
99 22
100 30
101 16
102 20
103 17
104 19
105 16
106 19
107 18
108 14
109 10
110 9
111 7
112 11
113 6
114 15
115 10
116 12
117 7
118 10
119 10
120 11
121 2
122 7
123 12
124 5
125 9
126 6
127+ 95
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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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