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 86 817 727 377 317 266 40804
Medicine 89 12460 11721 6381 5900 318 42302

Brad Spellberg publications per year

The chart shows the history of publications by Brad Spellberg between 1994 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Brad Spellberg published across 32 years, from 1994 to 2025, averaging 11.2 papers a year. Output peaked at 26 publications in 2012. 31 of the 357 publications appeared in the last two years.

No. of publications
5 10 15 20 25
Bar chart. Horizontal axis: year, 1994 to 2025. Vertical axis: number of publications, 0 to 26. Peak 26 publications in 2012. 1994: 1 publication 1995: 1 publication 1996: 1 publication 1997: 1 publication 1998: 3 publications 1999: 3 publications 2000: 2 publications 2001: 2 publications 2002: 1 publication 2003: 3 publications 2004: 8 publications 2005: 14 publications 2006: 15 publications 2007: 9 publications 2008: 17 publications 2009: 11 publications 2010: 17 publications 2011: 18 publications 2012: 26 publications 2013: 19 publications 2014: 19 publications 2015: 8 publications 2016: 18 publications 2017: 17 publications 2018: 6 publications 2019: 20 publications 2020: 13 publications 2021: 26 publications 2022: 14 publications 2023: 13 publications 2024: 12 publications 2025: 19 publications
1994 2025

357 publications in total across all disciplines

View publications per year as a table
Brad Spellberg: publications per year, 1994 to 2025
Year Publications
1994 1
1995 1
1996 1
1997 1
1998 3
1999 3
2000 2
2001 2
2002 1
2003 3
2004 8
2005 14
2006 15
2007 9
2008 17
2009 11
2010 17
2011 18
2012 26
2013 19
2014 19
2015 8
2016 18
2017 17
2018 6
2019 20
2020 13
2021 26
2022 14
2023 13
2024 12
2025 19
Total 357
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Brad Spellberg 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 Brad Spellberg 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, 265–274 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: 266 publications — 69th percentile

69% 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
265–274 139 266
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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Brad Spellberg 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 Brad Spellberg 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, 86 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: 86 D-Index — 85th percentile

85% 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 86
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

Brad Spellberg is affiliated with the University of Southern California in the United States. Their research focuses primarily on medicine, with significant contributions in biochemistry, genetics, and molecular biology. The scientist has a particular emphasis on infectious diseases, epidemiology, molecular medicine, clinical biochemistry, and general health professions.

Their work extensively covers key topics such as antibiotic resistance in bacteria, bacterial identification and susceptibility testing, antimicrobial resistance in Staphylococcus, antibiotics pharmacokinetics and efficacy, antibiotic use and resistance, infective endocarditis diagnosis and management, and Pneumocystis jirovecii pneumonia detection and treatment.

Brad Spellberg has published research in several prominent scientific venues. Frequent publication outlets include:

  • JAMA Network Open
  • Antimicrobial Agents and Chemotherapy
  • Clinical Microbiology and Infection
  • Clinical Infectious Diseases
  • Open Forum Infectious Diseases

Some of their recent papers are:

  • "Oral Is the New IV. Challenging Decades of Blood and Bone Infection Dogma: A Systematic Review" (2021) published in The American Journal of Medicine
  • "Capsule carbohydrate structure determines virulence in Acinetobacter baumannii" (2021) published in PLoS Pathogens
  • "Community Prevalence of SARS-CoV-2 Among Patients With Influenzalike Illnesses Presenting to a Los Angeles Medical Center in March 2020" (2020) published in JAMA
  • "Guidelines for Diagnosis and Management of Infective Endocarditis in Adults" (2023) published in JAMA Network Open
  • "Evaluation of a Paradigm Shift From Intravenous Antibiotics to Oral Step-Down Therapy for the Treatment of Infective Endocarditis" (2020) published in JAMA Internal Medicine

Brad Spellberg frequently collaborates with several researchers, including:

  • Brian Luna
  • Todd C. Lee
  • Jun Yan
  • Noah Wald-Dickler
  • Emily G. McDonald

Best Publications

  • Bad Bugs, No Drugs: No ESKAPE! An Update from the Infectious Diseases Society of America

    Helen W. Boucher;George H. Talbot;John S. Bradley;John S. Bradley;John E. Edwards;John E. Edwards

  • The Epidemic of Antibiotic-Resistant Infections: A Call to Action for the Medical Community from the Infectious Diseases Society of America

    Brad Spellberg;Robert Guidos;David Gilbert;John Bradley;John Bradley

  • Global guideline for the diagnosis and management of mucormycosis: an initiative of the European Confederation of Medical Mycology in cooperation with the Mycoses Study Group Education and Research Consortium

    Oliver A. Cornely;Ana Alastruey-Izquierdo;Dorothee Arenz;Sharon C. A. Chen

  • Novel Perspectives on Mucormycosis: Pathophysiology, Presentation, and Management

    Brad Spellberg;Brad Spellberg;John Edwards;John Edwards;Ashraf Ibrahim;Ashraf Ibrahim

  • Necrotizing Fasciitis Caused by Community-Associated Methicillin-Resistant Staphylococcus aureus in Los Angeles

    Loren G. Miller;Francoise Perdreau-Remington;Gunter Rieg;Sheherbano Mehdi

  • Type 1/Type 2 Immunity in Infectious Diseases

    Brad Spellberg;John E. Edwards

  • Trends in Antimicrobial Drug Development: Implications for the Future

    Brad Spellberg;John H. Powers;Eric P. Brass;Loren G. Miller

  • Clinical and Pathophysiological Overview of Acinetobacter Infections: a Century of Challenges.

    Darren Wong;Travis B. Nielsen;Robert A. Bonomo;Paul Pantapalangkoor

  • Nosocomial fungal infections: epidemiology, diagnosis, and treatment

    Joshua Perlroth;Bryan Choi;Brad Spellberg

  • Combating antimicrobial resistance: policy recommendations to save lives.

    Spellberg B;Blaser M;Guidos Rj

  • Pathogenesis of Mucormycosis

    Ashraf S. Ibrahim;Brad Spellberg;Thomas J. Walsh;Dimitrios P. Kontoyiannis

  • The Future of Antibiotics and Resistance

    Brad Spellberg;John G. Bartlett;David N. Gilbert

  • Novel antipsychotics and new onset diabetes

    Donna A. Wirshing;Donna A. Wirshing;Brad J. Spellberg;Stephen M. Erhart;Stephen M. Erhart;Stephen R. Marder;Stephen R. Marder

  • Recent Advances in the Management of Mucormycosis: From Bench to Bedside

    Brad Spellberg;Thomas J. Walsh;Dimitrios P. Kontoyiannis;J. John Edwards

  • Combination polyene-caspofungin treatment of rhino-orbital-cerebral mucormycosis.

    Caitlin Reed;Richard Bryant;Richard Bryant;Ashraf S. Ibrahim;John Edwards

  • Th1-Th17 Cells Mediate Protective Adaptive Immunity against Staphylococcus aureus and Candida albicans Infection in Mice

    Lin Lin;Ashraf S Ibrahim;Xin Xu;Joshua M Farber

  • Systemic Antibiotic Therapy for Chronic Osteomyelitis in Adults

    Brad Spellberg;Benjamin A. Lipsky

  • Seven Ways to Preserve the Miracle of Antibiotics

    John G. Bartlett;David N. Gilbert;Brad Spellberg

  • The iron chelator deferasirox protects mice from mucormycosis through iron starvation

    Ashraf S. Ibrahim;Teclegiorgis Gebermariam;Yue Fu;Lin Lin

  • Current Treatment Strategies for Disseminated Candidiasis

    Brad J. Spellberg;Scott G. Filler;John E. Edwards

Frequent Co-Authors

Ashraf S. Ibrahim
Ashraf S. Ibrahim University of California, Los Angeles
John E. Edwards
John E. Edwards University of California, Los Angeles
Scott G. Filler
Scott G. Filler University of California, Los Angeles
Robert A. Bonomo
Robert A. Bonomo Case Western Reserve University
Samuel W. French
Samuel W. French UCLA Medical Center
John S. Bradley
John S. Bradley University of California, San Diego
Michael R. Yeaman
Michael R. Yeaman University of California, Los Angeles
Arnold S. Bayer
Arnold S. Bayer University of California, Los Angeles
Loren G. Miller
Loren G. Miller UCLA Medical Center
Kristine M. Hujer
Kristine M. Hujer Case Western Reserve University

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