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 104 335 305 154 132 566 38519
Medicine 104 7050 6628 3708 3436 595 40055

David H. Walker publications per year

The chart shows the history of publications by David H. Walker between 1973 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. David H. Walker published across 54 years, from 1973 to 2026, averaging 12.7 papers a year. Output peaked at 30 publications in 2022. 14 of the 684 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 1973 to 2026. Vertical axis: number of publications, 0 to 30. Peak 30 publications in 2022. 1973: 1 publication 1974: 0 publications 1975: 3 publications 1976: 1 publication 1977: 3 publications 1978: 6 publications 1979: 4 publications 1980: 11 publications 1981: 6 publications 1982: 11 publications 1983: 10 publications 1984: 9 publications 1985: 6 publications 1986: 17 publications 1987: 10 publications 1988: 7 publications 1989: 7 publications 1990: 10 publications 1991: 5 publications 1992: 9 publications 1993: 12 publications 1994: 16 publications 1995: 10 publications 1996: 9 publications 1997: 16 publications 1998: 15 publications 1999: 9 publications 2000: 11 publications 2001: 21 publications 2002: 13 publications 2003: 19 publications 2004: 24 publications 2005: 24 publications 2006: 21 publications 2007: 21 publications 2008: 19 publications 2009: 16 publications 2010: 12 publications 2011: 19 publications 2012: 12 publications 2013: 13 publications 2014: 23 publications 2015: 17 publications 2016: 17 publications 2017: 14 publications 2018: 4 publications 2019: 23 publications 2020: 13 publications 2021: 17 publications 2022: 30 publications 2023: 28 publications 2024: 16 publications 2025: 13 publications 2026: 1 publication
1973 2026

684 publications in total across all disciplines

View publications per year as a table
David H. Walker: publications per year, 1973 to 2026
Year Publications
1973 1
1974 0
1975 3
1976 1
1977 3
1978 6
1979 4
1980 11
1981 6
1982 11
1983 10
1984 9
1985 6
1986 17
1987 10
1988 7
1989 7
1990 10
1991 5
1992 9
1993 12
1994 16
1995 10
1996 9
1997 16
1998 15
1999 9
2000 11
2001 21
2002 13
2003 19
2004 24
2005 24
2006 21
2007 21
2008 19
2009 16
2010 12
2011 19
2012 12
2013 13
2014 23
2015 17
2016 17
2017 14
2018 4
2019 23
2020 13
2021 17
2022 30
2023 28
2024 16
2025 13
2026 1
Total 684
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David H. Walker publications per year - data summary

  • David H. Walker, a Microbiology scholar from The University of Texas Medical Branch at Galveston, has 684 publications recorded across 54 years, from 1973 to 2026.
  • The oldest publication on record dates to 1973 and the most recent to 2026.
  • The most productive year is 2022, with 30 publications.
  • The least productive years with any output are 1973, 1976 and 2026, with 1 publication each.
  • 1 of the 54 years in the span carries no publications at all (1974).
  • The rate of publication averages 12.7 papers per year over the whole span, or 12.9 per year counting only the 53 years with at least one publication.
  • The last 5 years on the chart (2022-2026) hold 88 publications, 13% of the career total.
  • Split into equal eras - 1973-1990: 122 publications (6.8 per year); 1991-2008: 274 publications (15.2 per year); 2009-2026: 288 publications (16.0 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

David H. Walker 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 David H. Walker 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, 565–574 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: 566 publications — 97th percentile

97% 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
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 7 566
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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David H. Walker publication distribution in Microbiology in 2026 - data summary

  • The chart plots the publication count of all 5,513 Microbiology scientists ranked by Research.com in 2026, grouped into 64 ranges running from 55–64 to 679+ publications.
  • David H. Walker, a Microbiology scholar from The University of Texas Medical Branch at Galveston, records 566 publications - the 97th percentile of the discipline.
  • 97% of ranked Microbiology scientists score the same or lower than David H. Walker, and about 3% score higher.
  • The median of the discipline falls in the 195–204 publications range, and David H. Walker ranks above the median.
  • The most crowded range is 135–144 publications, holding 288 scientists (5% of the field).
  • 54% of the field sits in the lowest quarter of the value range (up to 205–214 publications), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 679 publications or more, 99 scientists in all (2% of the field).

David H. Walker 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 David H. Walker 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, 104 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: 104 D-Index — 94th percentile

94% 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
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 19 104
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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David H. Walker D-index placement in Microbiology in 2026 - data summary

  • The chart plots the discipline H-index (D-index) of all 5,513 Microbiology scientists ranked by Research.com in 2026, grouped into 88 ranges running from 40 to 127+ D-Index.
  • David H. Walker, a Microbiology scholar from The University of Texas Medical Branch at Galveston, records 104 D-Index - the 94th percentile of the discipline.
  • 94% of ranked Microbiology scientists score the same or lower than David H. Walker, and about 6% score higher.
  • The median of the discipline falls in the 63 D-Index range, and David H. Walker ranks above the median.
  • The most crowded range is 58 D-Index, holding 162 scientists (3% of the field).
  • 47% of the field sits in the lowest quarter of the value range (up to 61 D-Index), so the distribution leans towards the lower end of the scale.
  • The final bar has no upper bound: it groups every scientist with 127 D-Index or more, 95 scientists in all (2% of the field).

Overview

David H. Walker is affiliated with The University of Texas Medical Branch at Galveston in the United States. Their research spans several fields with a focus on Medicine and Immunology and Microbiology. Within these broader categories, the scientist's work notably covers subfields such as Infectious Diseases, Parasitology, Public Health, Environmental and Occupational Health, Molecular Biology, and Epidemiology.

The main topics addressed in their research include:

  • Vector-borne infectious diseases
  • Viral Infections and Vectors
  • SARS-CoV-2 and COVID-19 Research
  • Mosquito-borne diseases and control
  • Animal Virus Infections Studies
  • COVID-19 Clinical Research Studies
  • Bacteriophages and microbial interactions

David H. Walker has contributed to the scientific community through publications in numerous journals. Frequent publication venues where they have multiple contributions are:

  • bioRxiv (Cold Spring Harbor Laboratory)
  • npj Vaccines
  • Emerging infectious diseases
  • American Journal of Tropical Medicine and Hygiene
  • PLoS neglected tropical diseases

Among recent papers authored, the following notable works are included:

  • "Nucleocapsid mutations in SARS-CoV-2 augment replication and pathogenesis" (2022) published in PLoS Pathogens
  • "Dual spike and nucleocapsid mRNA vaccination confer protection against SARS-CoV-2 Omicron and Delta variants in preclinical models" (2022) published in Science Translational Medicine
  • "Mouse-adapted SARS-CoV-2 protects animals from lethal SARS-CoV challenge" (2021) published in PLoS Biology
  • "QTQTN motif upstream of the furin-cleavage site plays a key role in SARS-CoV-2 infection and pathogenesis" (2022) published in Proceedings of the National Academy of Sciences
  • "Interaction between host G3BP and viral nucleocapsid protein regulates SARS-CoV-2 replication and pathogenicity" (2024) published in Cell Reports

The scientist has collaborated frequently with a set of coauthors, indicating a sustained research partnership and contribution to their field. Frequent coauthors include:

  • Jessica A. Plante
  • Vineet D. Menachery
  • Kenneth S. Plante
  • Bryan A. Johnson
  • Kumari G. Lokugamage

Best Publications

  • Fever with thrombocytopenia associated with a novel bunyavirus in China.

    Xue Jie Yu;Mi Fang Liang;Shou Yin Zhang;Yan Liu

  • Exogenous and endogenous glycolipid antigens activate NKT cells during microbial infections

    Jochen Mattner;Kristin L. DeBord;Nahed Ismail;Randal D. Goff

  • Identification of a granulocytotropic Ehrlichia species as the etiologic agent of human disease

    Sheng-Min Chen;J. S. Dumler;J. S. Bakken;D. H. Walker

  • Rickettsia Species Infecting Amblyomma cooperi Ticks from an Area in the State of São Paulo, Brazil, Where Brazilian Spotted Fever Is Endemic

    Marcelo Bahia Labruna;Marcelo Bahia Labruna;Ted Whitworth;Maurício C. Horta;Donald H. Bouyer

  • Human granulocytic ehrlichiosis in the upper Midwest United States. A new species emerging

    Johan S. Bakken;J. Stephen Dumler;Sheng Min Chen;Mark R. Eckman

  • Pathology of inhalational anthrax in 42 cases from the Sverdlovsk outbreak of 1979

    Faina A. Abramova;Lev M. Grinberg;Olga V. Yampolskaya;David H. Walker

  • A review of the global epidemiology of scrub typhus

    Guang Xu;David H. Walker;Daniel Jupiter;Peter C. Melby

  • Diagnosis and management of tickborne rickettsial diseases: Rocky Mountain spotted fever, ehrlichioses, and anaplasmosis--United States: a practical guide for physicians and other health-care and public health professionals.

    Alice S. Chapman;Johan S. Bakken;Scott M. Folk;Christopher D. Paddock

  • Emergence of the Ehrlichioses as Human Health Problems

    David H. Walker;J. Stephen Dumler

  • Unresolved problems related to scrub typhus: a seriously neglected life-threatening disease.

    Daniel H. Paris;Thomas R. Shelite;Nicholas P. Day;David H. Walker

  • Person-to-Person Transmission of Severe Fever with Thrombocytopenia Syndrome Virus

    Yan Liu;Qun Li;Wanfu Hu;Jiabin Wu

  • Pathogenesis of the Viral Hemorrhagic Fevers

    Slobodan Paessler;David H. Walker

  • Rickettsia bellii and Rickettsia amblyommii in Amblyomma ticks from the State of Rondônia, Western Amazon, Brazil.

    Marcelo Bahia Labruna;Marcelo Bahia Labruna;Ted Whitworth;Donald H. Bouyer;Jere McBride

  • Effect of Filgotinib vs Placebo on Clinical Response in Patients with Moderate to Severe Rheumatoid Arthritis Refractory to Disease-Modifying Antirheumatic Drug Therapy: The FINCH 2 Randomized Clinical Trial

    Mark C. Genovese;Kenneth Kalunian;Jacques Eric Gottenberg;Neelufar Mozaffarian

  • Clinical and laboratory features of murine typhus in south Texas, 1980 through 1987.

    J. Stephen Dumler;J. Stephen Dumler;Jeffery P. Taylor;David H. Walker

  • Quantitative Pathology of Inhalational Anthrax I: Quantitative Microscopic Findings

    Lev M Grinberg;Faina A Abramova;Olga V Yampolskaya;David H Walker

  • Emerging and re-emerging rickettsioses: endothelial cell infection and early disease events

    David H. Walker;Nahed Ismail

  • Complete genome sequence of Rickettsia typhi and comparison with sequences of other rickettsiae.

    Michael P. McLeod;Michael P. McLeod;Xiang Qin;Sandor E. Karpathy;Sandor E. Karpathy;Jason Gioia

  • Detection of medically important Ehrlichia by quantitative multicolor TaqMan real-time polymerase chain reaction of the dsb gene.

    C. Kuyler Doyle;Marcelo B. Labruna;Edward B. Breitschwerdt;Yi Wei Tang

  • Detection of Rickettsia rickettsii in the tick Amblyomma cajennense in a new Brazilian spotted fever-endemic area in the state of Minas Gerais

    Elizangela Guedes;Romario C. Leite;Marcia C. A. Prata;Richard C. Pacheco

  • Case-Fatality Ratio and Effectiveness of Ribavirin Therapy Among Hospitalized Patients in China Who Had Severe Fever With Thrombocytopenia Syndrome

    Wei Liu;Qing Bin Lu;Ning Cui;Hao Li

  • Rickettsiae and rickettsial infections: the current state of knowledge.

    David H. Walker

  • Identification of the target cells of Orientia tsutsugamushi in human cases of scrub typhus

    Cecilia G. Moron;Vsevolod L. Popov;Hui Min Feng;Douglas Wear

  • PREVALENCE OF ANTIBODIES TO SPOTTED FEVER GROUP RICKETTSIAE IN HUMANS AND DOMESTIC ANIMALS IN A BRAZILIAN SPOTTED FEVER-ENDEMIC AREA IN THE STATE OF SÃO PAULO, BRAZIL: SEROLOGIC EVIDENCE FOR INFECTION BY RICKETTSIA RICKETTSII AND ANOTHER SPOTTED FEVER GROUP RICKETTSIA

    Maurício Cláudio Horta;Marcelo Bahia Labruna;Luis Antônio Sangioni;Manoella Campostrini Barreto Vianna

  • Pathogenesis of Lassa fever.

    Nadezhda E. Yun;David H. Walker

  • Pathogenic mechanisms of diseases caused by Rickettsia

    David H. Walker;Gustavo A. Valbuena;Juan P. Olano

Frequent Co-Authors

Jere W. McBride
Jere W. McBride The University of Texas Medical Branch at Galveston
Xue Jie Yu
Xue Jie Yu The University of Texas Medical Branch at Galveston
Vsevolod L. Popov
Vsevolod L. Popov The University of Texas Medical Branch at Galveston
Marcelo B. Labruna
Marcelo B. Labruna Universidade de São Paulo
J. Stephen Dumler
J. Stephen Dumler Uniformed Services University of the Health Sciences
Lynn Soong
Lynn Soong The University of Texas Medical Branch at Galveston
Edward B. Breitschwerdt
Edward B. Breitschwerdt North Carolina State University
Daniel J. Sexton
Daniel J. Sexton Duke University
Mark C. Genovese
Mark C. Genovese Stanford University
Solange Maria Gennari
Solange Maria Gennari Universidade de São Paulo

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