World's Best Scientists 2026 revealed!

D-Index & Metrics

Microbiology

D-Index
44
Citations
8492
World Ranking
5121
National Ranking
433

Clifford Leen 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 Clifford Leen 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: 186 publications — 43rd percentile

43% of scientists in this discipline score the same or lower.

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

Clifford Leen 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 Clifford Leen 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: 44 D-Index — 8th percentile

8% of scientists in this discipline score the same or lower.

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

Overview

Clifford Leen is affiliated with Western General Hospital in the United Kingdom. Their research primarily focuses on Medicine, with a specialization in Infectious Diseases. Additional fields of study include Hepatology, Epidemiology, Emergency Medicine, and Virology. The breadth of their work encompasses topics related to HIV/AIDS drug development and treatment, Hepatitis C virus research, and various aspects of HIV/AIDS research and interventions.

Leen's recent publications highlight key advancements in HIV and hepatitis C virus (HCV) treatment and management. Notable papers include:

  • "Long-term safety and efficacy of emtricitabine and tenofovir alafenamide vs emtricitabine and tenofovir disoproxil fumarate for HIV-1 pre-exposure prophylaxis: week 96 results from a randomised, double-blind, placebo-controlled, phase 3 trial" (2021, The Lancet HIV)
  • "BHIVA guidelines on antiretroviral treatment for adults living with HIV-1 2022" (2022, HIV Medicine)
  • "Effectiveness and Safety of Interferon-Free Direct-Acting Antiviral Hepatitis C Virus Therapy in HIV/Hepatitis C Virus Coinfected Individuals: Results From a Pan-European Study" (2020, JAIDS Journal of Acquired Immune Deficiency Syndromes)
  • "Influence of hepatitis C virus co-infection and hepatitis C virus treatment on risk of chronic kidney disease in HIV-positive persons" (2020, AIDS)
  • "Association of pregnancy with engagement in HIV care among women with HIV in the UK: a cohort study" (2021, The Lancet HIV)

The frequent publication venues for Leen's work include:

  • The Lancet HIV
  • HIV Medicine
  • JAIDS Journal of Acquired Immune Deficiency Syndromes
  • AIDS

Leen collaborates consistently with several researchers, with frequent co-authors being:

  • Christoph Stephan
  • Richard Gilson
  • Stephen Kegg
  • Frank A. Post
  • Iain Reeves

The thematic focus of Leen's work lies predominantly in HIV/AIDS drug development and treatment, as well as the study and treatment of co-infections such as Hepatitis C and B viruses. Their research extends into examining HIV-related health complications and interventions, and the diagnosis and treatment of liver diseases linked with these infections.

Best Publications

  • Circulating microRNAs in sera correlate with soluble biomarkers of immune activation but do not predict mortality in ART treated individuals with HIV-1 infection : a case control study

    Daniel D. Murray;Kazuo Suzuki;Matthew Law;Jonel Trebicka

  • Risk of HIV transmission through condomless sex in serodifferent gay couples with the HIV-positive partner taking suppressive antiretroviral therapy (PARTNER): final results of a multicentre, prospective, observational study

    Alison J Rodger;Valentina Cambiano;Tina Bruun;Pietro Vernazza

  • British HIV Association guidelines for the treatment of HIV-1-infected adults with antiretroviral therapy 2008

    B G Gazzard;Jane Anderson;Abdel Babiker;Marta Boffito

  • Impact on life expectancy of HIV-1 positive individuals of CD4+ cell count and viral load response to antiretroviral therapy

    Margaret T. May;Mark Gompels;Valerie Delpech;Kholoud Porter

  • Impact of late diagnosis and treatment on life expectancy in people with HIV-1: UK Collaborative HIV Cohort (UK CHIC) Study

    Margaret T May;Mark Gompels;Valerie Delpech;Kholoud Porter

  • British HIV Association guidelines for the treatment of HIV-1-positive adults with antiretroviral therapy 2012

    Ian Williams;Duncan Churchill;Jane Anderson;Marta Boffito

  • A randomized comparative trial of tenofovir DF or abacavir as replacement for a thymidine analogue in persons with lipoatrophy.

    Graeme J. Moyle;Caroline A. Sabin;Jonathan Cartledge;Margaret Johnson

  • British HIV Association guidelines for the treatment of HIV-1-positive adults with antiretroviral therapy 2012 (Updated November 2013. All changed text is cast in yellow highlight.).

    Ian Williams;Ian Williams;Duncan Churchill;Jane Anderson;Marta Boffito

  • Efficacy and Safety of Atazanavir-Based Highly Active Antiretroviral Therapy in Patients with Virologic Suppression Switched from a Stable, Boosted or Unboosted Protease Inhibitor Treatment Regimen: The SWAN Study (AI424-097) 48-Week Results

    Jose Gatell;Dominique Salmon Ceron;Adriano Lazzarin;Eric Van Wijngaerden

  • Consensus statement on diagnosis, investigation, treatment and prevention of acute bacterial meningitis in immunocompetent adults

    N Begg;K A Cartwright;J Cohen;E B Kaczmarski

  • Factors influencing efavirenz and nevirapine plasma concentration: effect of ethnicity, weight and co-medication.

    Wolfgang Stöhr;David Back;David Dunn;Caroline Sabin

  • Fluconazole resistant candida in AIDS.

    R Fox;K R Neal;Clifford Leen;M E Ellis

  • UK consensus guidelines for the use of the protease inhibitors boceprevir and telaprevir in genotype 1 chronic hepatitis C infected patients

    P. Ramachandran;A. Fraser;Kosh Agarwal;A. Austin

  • Incomplete Reversibility of Estimated Glomerular Filtration Rate Decline Following Tenofovir Disoproxil Fumarate Exposure

    Sophie Jose;Lisa Hamzah;Lucy J. Campbell;Teresa Hill

  • HIV-associated central nervous system diseases in the recent combination antiretroviral therapy era.

    Lucy Garvey;Lucy Garvey;Alan Winston;Alan Winston;John Walsh;Frank Post

  • Rate of AIDS diseases or death in HIV-infected antiretroviral therapy-naïve individuals with high CD4 cell count

    Andrew N Phillips;Brian Gazzard;Richard Gilson;Philippa Easterbrook

  • Fluconazole resistance in AIDS patients

    Lorna Willocks;C. L. S. Leen;R. P. Brettle;D. Urquhart

  • British HIV Association guidelines for the treatment of HIV-1-positive adults with antiretroviral therapy 2015

    Duncan Churchill;Laura Waters;Nadia Ahmed;Brian Angus

  • Late diagnosis in the HAART era: proposed common definitions and associations with mortality.

    Caroline A Sabin;Achim Schwenk;Margaret A Johnson

  • Hepatitis delta in HIV-infected individuals in Europe.

    Vincent Soriano;Daniel Grint;Antonella d'Arminio Monforte;Andrzej Horban

  • British HIV Association guidelines for the management of coinfection with HIV-1 and hepatitis B or C virus 2010.

    G Brook;J Main;M Nelson;S Bhagani

  • Risk of extensive virological failure to the three original antiretroviral drug classes over long-term follow-up from the start of therapy in patients with HIV infection: an observational cohort study

    Andrew N Phillips;Clifford Leen;Alan Wilson;Jane Anderson

  • Hepatitis B, hepatitis C, and mortality among HIV-positive individuals

    Alicia C. Thornton;Sophie Jose;Sanjay Bhagani;David Chadwick

  • Anaphylactic reactions to liposomal amphotericin.

    R.B.S Laing;L.J.R Milne;C.L.S Leen;G.P Malcolm

  • High frequencies of exposure to the novel human parvovirus PARV4 in hemophiliacs and injection drug users, as detected by a serological assay for PARV4 antibodies.

    Colin P. Sharp;Alice Lail;Sharyne Donfield;Ruth Simmons

Frequent Co-Authors

Caroline Sabin
Caroline Sabin University College London
Chloe Orkin
Chloe Orkin Queen Mary University of London
Martin Fisher
Martin Fisher University of Sussex
Richard Gilson
Richard Gilson University College London
Frank A. Post
Frank A. Post King's College London
Philippa Easterbrook
Philippa Easterbrook King's College London
Andrew N. Phillips
Andrew N. Phillips University College London
Brian Gazzard
Brian Gazzard St Bartholomew's Hospital
David Dunn
David Dunn University College London
Deenan Pillay
Deenan Pillay University College London

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For those looking for a broader educational scope, various online healthcare degrees are available that provide flexible learning paths tailored to different professional goals related to microbiology and healthcare.

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