World's Best Scientists 2026 revealed!

D-Index & Metrics

Microbiology

D-Index
41
Citations
8363
World Ranking
5420
National Ranking
2049

Richard P. Morrison 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 Richard P. Morrison 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: 65 publications — 1st percentile

1% of scientists in this discipline score the same or lower.

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

Richard P. Morrison 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 Richard P. Morrison 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: 41 D-Index — 2nd percentile

2% of scientists in this discipline score the same or lower.

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

Overview

Richard P. Morrison is affiliated with the University of Arkansas for Medical Sciences in the United States. Their research primarily spans the fields of medicine and immunology and microbiology, with particular focus on microbiology, epidemiology, infectious diseases, public health, environmental and occupational health, and general health professions.

The scientist's work covers several main topics, including:

  • Reproductive tract infections research
  • Urinary tract infections management
  • Clostridium difficile and Clostridium perfringens research
  • Reproductive health and contraception
  • Hepatitis B virus studies
  • Adolescent sexual and reproductive health
  • Maternal and fetal healthcare

Richard P. Morrison has contributed to multiple peer-reviewed publications. Recent papers include:

  • P.156 Adopting the use of percentage blood loss in maternal haemorrhage for women with low body weight as recommended by MBRRACE-UK, 2025, International Journal of Obstetric Anesthesia
  • P.125 Enhanced Maternal Care in Northern Ireland, 2025, International Journal of Obstetric Anesthesia
  • Tail-specific protease is an essential Chlamydia virulence factor that mediates the differentiation of elementary bodies into reticulate bodies, 2024, Infection and Immunity
  • Prevalence of Chlamydia trachomatis Infection in Young Women and Associated Predictors, 2021, Sexually Transmitted Diseases
  • A Genital Infection-Attenuated Chlamydia muridarum Mutant Infects the Gastrointestinal Tract and Protects against Genital Tract Challenge, 2020, mBio

Frequent co-authors with whom Richard P. Morrison has published include Sandra G. Morrison, Evelyn Toh, Arkaprabha Banerjee, Amanda M. Giebel, and David E. Nelson.

Their research has appeared primarily in the following venues:

  • International Journal of Obstetric Anesthesia
  • mBio
  • Sexually Transmitted Diseases
  • Infection and Immunity

Best Publications

  • Persistent chlamydiae: from cell culture to a paradigm for chlamydial pathogenesis.

    Wandy Beatty;Richard P. Morrison;Gerald I. Byrne

  • Morphologic and antigenic characterization of interferon gamma-mediated persistent Chlamydia trachomatis infection in vitro.

    Wandy L. Beatty;Gerald I. Byrne;Richard P. Morrison

  • Immunity to Murine Chlamydial Genital Infection

    Richard P. Morrison;Harlan D. Caldwell

  • Chlamydial heat shock protein 60 activates macrophages and endothelial cells through Toll-like receptor 4 and MD2 in a MyD88-dependent pathway.

    Yonca Bulut;Emmanuelle Faure;Lisa Thomas;Hisae Karahashi

  • Gene knockout mice establish a primary protective role for major histocompatibility complex class II-restricted responses in Chlamydia trachomatis genital tract infection.

    R P Morrison;K Feilzer;D B Tumas

  • Tryptophan depletion as a mechanism of gamma interferon-mediated chlamydial persistence.

    W L Beatty;T A Belanger;A A Desai;R P Morrison

  • Chlamydial disease pathogenesis. The 57-kD chlamydial hypersensitivity antigen is a stress response protein.

    R P Morrison;R J Belland;K Lyng;H D Caldwell

  • Immunity to murine Chlamydia trachomatis genital tract reinfection involves B cells and CD4(+) T cells but not CD8(+) T cells.

    Sandra G. Morrison;Hua Su;Harlan D. Caldwell;Richard P. Morrison

  • A predominant role for antibody in acquired immunity to chlamydial genital tract reinfection.

    Sandra G. Morrison;Richard P. Morrison

  • Chlamydial disease pathogenesis. Ocular hypersensitivity elicited by a genus-specific 57-kD protein.

    R P Morrison;K Lyng;H D Caldwell

  • Repeated and persistent infection with Chlamydia and the development of chronic inflammation and disease

    Wandy L. Beatty;Gerald I. Byrne;Richard P. Morrison

  • Chlamydia trachomatis genital tract infection of antibody-deficient gene knockout mice.

    H Su;K Feilzer;H D Caldwell;R P Morrison

  • Persistent chlamydiae: from cell culture to a paradigm for chlamydial pathogenesis.

    Unknown

  • A neutralizable epitope common to the envelope glycoproteins of ecotropic, polytropic, xenotropic, and amphotropic murine leukemia viruses.

    L H Evans;R P Morrison;F G Malik;J Portis

  • A Vaccine and Monoclonal Antibodies That Enhance Mouse Resistance to Candida albicans Vaginal Infection

    Yongmoon Han;Richard P. Morrison;Jim E. Cutler

  • Cross-Reactive B-Cell Epitopes of Microbial and Human Heat Shock Protein 60/65 in Atherosclerosis

    Hannes Perschinka;Manuel Mayr;Gunda Millonig;Christina Mayerl

  • Cellular Oxidation of Low-Density Lipoprotein by Chlamydia pneumoniae

    Murat V. Kalayoglu;Brian Hoerneman;David LaVerda;Sandra G. Morrison

  • T-lymphocyte priming and protection against Friend leukemia by vaccinia-retrovirus env gene recombinant.

    Patricia L. Earl;Bernard Moss;Richard P. Morrison;Kathy Wehrly

  • Reactivation of persistent Chlamydia trachomatis infection in cell culture.

    W L Beatty;R P Morrison;G I Byrne

  • Detection of Chlamydia pneumoniae–Reactive T Lymphocytes in Human Atherosclerotic Plaques of Carotid Artery

    Martti Mosorin;Heljä-Marja Surcel;Aino Laurila;Matti Lehtinen

  • In situ analysis of the evolution of the primary immune response in murine Chlamydia trachomatis genital tract infection.

    Sandra G. Morrison;Richard P. Morrison

  • Vaccination against Chlamydia Genital Infection Utilizing the Murine C. muridarum Model

    Christina M. Farris;Christina M. Farris;Richard P. Morrison

  • Resolution of secondary Chlamydia trachomatis genital tract infection in immune mice with depletion of both CD4+ and CD8+ T cells.

    Sandra G. Morrison;Richard P. Morrison

Frequent Co-Authors

Gerald I. Byrne
Gerald I. Byrne University of Tennessee Health Science Center
Jorma Paavonen
Jorma Paavonen University of Helsinki
Matti Lehtinen
Matti Lehtinen Tampere University
Wandy L. Beatty
Wandy L. Beatty Washington University in St. Louis
Bruce Chesebro
Bruce Chesebro National Institutes of Health
Patricia L. Earl
Patricia L. Earl National Institute of Allergy and Infectious Diseases
Guangming Zhong
Guangming Zhong The University of Texas Health Science Center at San Antonio
Bernard Moss
Bernard Moss National Institutes of Health
Edward W. Hook
Edward W. Hook University of Alabama at Birmingham
Jeannette Y. Lee
Jeannette Y. Lee University of Arkansas for Medical Sciences

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Related Online Degrees & Career Pathways

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