World's Best Scientists 2026 revealed!

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Microbiology 46 4876 4497 1885 1693 250 9827

Brian K. Agan publications per year

The chart shows the history of publications by Brian K. Agan between 1992 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Brian K. Agan published across 35 years, from 1992 to 2026, averaging 8.9 papers a year. Output peaked at 32 publications in 2021. 24 of the 311 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 1992 to 2026. Vertical axis: number of publications, 0 to 32. Peak 32 publications in 2021. 1992: 1 publication 1993: 1 publication 1994: 2 publications 1995: 0 publications 1996: 0 publications 1997: 0 publications 1998: 0 publications 1999: 1 publication 2000: 0 publications 2001: 0 publications 2002: 1 publication 2003: 0 publications 2004: 4 publications 2005: 5 publications 2006: 5 publications 2007: 4 publications 2008: 12 publications 2009: 12 publications 2010: 15 publications 2011: 12 publications 2012: 11 publications 2013: 7 publications 2014: 11 publications 2015: 21 publications 2016: 22 publications 2017: 13 publications 2018: 9 publications 2019: 16 publications 2020: 16 publications 2021: 32 publications 2022: 16 publications 2023: 21 publications 2024: 17 publications 2025: 22 publications 2026: 2 publications
1992 2026

311 publications in total across all disciplines

View publications per year as a table
Brian K. Agan: publications per year, 1992 to 2026
Year Publications
1992 1
1993 1
1994 2
1995 0
1996 0
1997 0
1998 0
1999 1
2000 0
2001 0
2002 1
2003 0
2004 4
2005 5
2006 5
2007 4
2008 12
2009 12
2010 15
2011 12
2012 11
2013 7
2014 11
2015 21
2016 22
2017 13
2018 9
2019 16
2020 16
2021 32
2022 16
2023 21
2024 17
2025 22
2026 2
Total 311
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Brian K. Agan 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 Brian K. Agan 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, 245–254 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: 250 publications — 65th percentile

65% 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
245–254 160 250
255–264 146
265–274 139
275–284 148
285–294 115
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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Brian K. Agan 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 Brian K. Agan 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, 46 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: 46 D-Index — 12th percentile

12% 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 46
47 110
48 106
49 109
50 129
51 111
52 116
53 127
54 134
55 134
56 112
57 136
58 162
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

Brian K. Agan is affiliated with the Uniformed Services University of the Health Sciences in the United States and has published extensively in the field of medicine, with a focus on infectious diseases. Their research has contributed to areas including epidemiology, virology, neurology, and emergency medicine. The scientist has produced a substantial body of work addressing various aspects of viral infections and immune responses.

Their publications often explore topics related to COVID-19 and HIV/AIDS, with significant attention to clinical research studies and long-term effects of viral diseases. Main topics covered by their work include:

  • COVID-19 Clinical Research Studies
  • SARS-CoV-2 and COVID-19 Research
  • HIV/AIDS Research and Interventions
  • HIV Research and Treatment
  • Long-Term Effects of COVID-19
  • HIV-related Health Complications and Treatments
  • HIV/AIDS Drug Development and Treatment

Brian K. Agan has co-authored numerous papers with frequent collaborators such as Rhonda E Colombo, Timothy Burgess, Tahaniyat Lalani, David R. Tribble, and Stephanie A Richard.

The scientist has published many articles in journals and publication venues known in infectious disease and medical research, with recurrent appearances in:

  • Open Forum Infectious Diseases
  • bioRxiv (Cold Spring Harbor Laboratory)
  • PLoS ONE
  • Clinical Infectious Diseases
  • Military Medicine

Selected recent research papers include:

  • "SARS-CoV-2 BA.1 variant is neutralized by vaccine booster-elicited serum but evades most convalescent serum and therapeutic antibodies," 2022, Science Translational Medicine
  • "Persistent COVID-19 Symptoms at 6 Months After Onset and the Role of Vaccination Before or After SARS-CoV-2 Infection," 2023, JAMA Network Open
  • "Antigenic cartography of well-characterized human sera shows SARS-CoV-2 neutralization differences based on infection and vaccination history," 2022, Cell Host & Microbe
  • "Understanding "Hybrid Immunity": Comparison and Predictors of Humoral Immune Responses to Severe Acute Respiratory Syndrome Coronavirus 2 Infection (SARS-CoV-2) and Coronavirus Disease 2019 (COVID-19) Vaccines," 2022, Clinical Infectious Diseases
  • "SARS-CoV-2 Omicron neutralization by therapeutic antibodies, convalescent sera, and post-mRNA vaccine booster," 2021, bioRxiv (Cold Spring Harbor Laboratory)

Best Publications

  • The major genetic determinants of HIV-1 control affect HLA class I peptide presentation

    Pereyra F;Jia X;McLaren Pj

  • The Influence of CCL3L1 Gene-Containing Segmental Duplications on HIV-1/AIDS Susceptibility

    Enrique Gonzalez;Hemant Kulkarni;Hector Bolivar;Andrea Mangano

  • Comparisons of causes of death and mortality rates among HIV-infected persons: analysis of the pre-, early, and late HAART (highly active antiretroviral therapy) eras.

    Nancy F Crum;Robert H Riffenburgh;Scott Wegner;Brian K Agan

  • Clinical Outcomes of Elite Controllers, Viremic Controllers, and Long-Term Nonprogressors in the US Department of Defense HIV Natural History Study

    Jason F. Okulicz;Jason F. Okulicz;Vincent C. Marconi;Vincent C. Marconi;Michael L. Landrum;Michael L. Landrum;Scott Wegner

  • Trends in the incidence of cancers among HIV-infected persons and the impact of antiretroviral therapy: A 20-year cohort study

    Nancy Crum-Cianflone;Katherine Huppler Hullsiek;Vincent Marconi;Vincent Marconi;Amy Weintrob;Amy Weintrob

  • Incidence and risk factors for the occurrence of non‐AIDS‐defining cancers among human immunodeficiency virus‐infected individuals

    Alina Burgi;Stephanie Brodine;Scott Wegner;Mark Milazzo

  • Increasing rates of obesity among HIV-infected persons during the HIV epidemic

    Nancy Crum-Cianflone;Nancy Crum-Cianflone;Nancy Crum-Cianflone;Mollie Poehlman Roediger;Mollie Poehlman Roediger;Lynn Eberly;Lynn Eberly;Maryam Headd

  • Apolipoprotein (apo) E4 enhances HIV-1 cell entry in vitro, and the APOE ε4/ε4 genotype accelerates HIV disease progression

    Trevor D. Burt;Brian K. Agan;Vincent C. Marconi;Weijing He

  • CCL3L1 and CCR5 influence cell-mediated immunity and affect HIV-AIDS pathogenesis via viral entry-independent mechanisms.

    Matthew J. Dolan;Hemant Kulkarni;Jose F. Camargo;Weijing He

  • Anal cancers among HIV-infected persons: HAART is not slowing rising incidence.

    Nancy F. Crum-Cianflone;Nancy F. Crum-Cianflone;Katherine Huppler Hullsiek;Vincent C. Marconi;Vincent C. Marconi;Anuradha Ganesan;Anuradha Ganesan

  • Duffy Antigen Receptor for Chemokines Mediates trans-Infection of HIV-1 from Red Blood Cells to Target Cells and Affects HIV-AIDS Susceptibility

    Weijing He;Stuart Neil;Hemant Kulkarni;Hemant Kulkarni;Edward Wright

  • Broad-spectrum respiratory tract pathogen identification using resequencing DNA microarrays

    Baochuan Lin;Zheng Wang;Gary J. Vora;Jennifer A. Thornton

  • Hepatitis B Virus Coinfection Negatively Impacts HIV Outcomes in HIV Seroconverters

    Helen M. Chun;Mollie P. Roediger;Mollie P. Roediger;Katherine Huppler Hullsiek;Katherine Huppler Hullsiek;Chloe L. Thio

  • SARS-CoV-2 BA.1 variant is neutralized by vaccine booster-elicited serum, but evades most convalescent serum and therapeutic antibodies

    Unknown

  • CCL3L1-CCR5 genotype influences durability of immune recovery during antiretroviral therapy of HIV-1-infected individuals.

    Sunil K Ahuja;Hemant Kulkarni;Hemant Kulkarni;Gabriel Catano;Gabriel Catano;Brian K Agan

  • Trends and causes of hospitalizations among HIV-infected persons during the late HAART era: what is the impact of CD4 counts and HAART use?

    Nancy F Crum-Cianflone;Nancy F Crum-Cianflone;Greg Grandits;Sara Echols;Sara Echols;Anuradha Ganesan;Anuradha Ganesan

  • Prevalence and factors associated with sleep disturbances among early-treated HIV-infected persons.

    Nancy F. Crum-Cianflone;Mollie Poehlman Roediger;Mollie Poehlman Roediger;David J. Moore;Braden Hale;Braden Hale

  • Hepatitis B vaccine responses in a large U.S. military cohort of HIV-infected individuals: another benefit of HAART in those with preserved CD4 count.

    Michael L. Landrum;Michael L. Landrum;Katherine Huppler Hullsiek;Katherine Huppler Hullsiek;Anuradha Ganesan;Amy C. Weintrob;Amy C. Weintrob

  • Outcomes of highly active antiretroviral therapy in the context of universal access to healthcare: the U.S. Military HIV Natural History Study.

    Vincent C. Marconi;Vincent C. Marconi;Vincent C. Marconi;Gregory A Grandits;Gregory A Grandits;Amy C. Weintrob;Amy C. Weintrob;Helen Chun;Helen Chun

  • A Randomized Clinical Trial Comparing Revaccination with Pneumococcal Conjugate Vaccine to Polysaccharide Vaccine among HIV-Infected Adults

    Nancy F. Crum-Cianflone;Nancy F. Crum-Cianflone;Katherine Huppler Hullsiek;Katherine Huppler Hullsiek;Mollie Roediger;Anuradha Ganesan

  • Low prevalence of neurocognitive impairment in early diagnosed and managed HIV-infected persons

    Nancy F. Crum-Cianflone;Nancy F. Crum-Cianflone;David J. Moore;Scott Letendre;Mollie Poehlman Roediger;Mollie Poehlman Roediger

  • Laboratory diagnosis of Bartonella infections

    Brian K Agan;Matthew J Dolan

  • Effect of HIV infection and antiretroviral therapy on immune cellular functions

    Marek Korencak;Morgan Byrne;Morgan Byrne;Enrico Richter;Bruce T. Schultz

Frequent Co-Authors

Nancy F. Crum-Cianflone
Nancy F. Crum-Cianflone Naval Medical Center San Diego
Amy C. Weintrob
Amy C. Weintrob George Washington University
Vincent C. Marconi
Vincent C. Marconi Emory University
Sunil K. Ahuja
Sunil K. Ahuja The University of Texas Health Science Center at San Antonio
Matthew J. Dolan
Matthew J. Dolan San Antonio Military Medical Center
Robert A. Clark
Robert A. Clark The University of Texas Health Science Center at San Antonio
David Rimland
David Rimland Emory University
Scott Letendre
Scott Letendre University of California, San Diego
Christopher C. Broder
Christopher C. Broder Uniformed Services University of the Health Sciences
Jose L. Sanchez
Jose L. Sanchez Defense Health Agency

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