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Microbiology
USA
2026

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Microbiology 123 122 111 61 52 633 63581
Medicine 125 3058 2851 1686 1549 698 65809

Umesh D. Parashar publications per year

The chart shows the history of publications by Umesh D. Parashar between 1997 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Umesh D. Parashar published across 29 years, from 1997 to 2025, averaging 25.4 papers a year. Output peaked at 54 publications in 2016. 33 of the 736 publications appeared in the last two years.

No. of publications
10 20 30 40 50
Bar chart. Horizontal axis: year, 1997 to 2025. Vertical axis: number of publications, 0 to 54. Peak 54 publications in 2016. 1997: 1 publication 1998: 8 publications 1999: 7 publications 2000: 9 publications 2001: 12 publications 2002: 5 publications 2003: 9 publications 2004: 15 publications 2005: 11 publications 2006: 12 publications 2007: 7 publications 2008: 17 publications 2009: 40 publications 2010: 27 publications 2011: 36 publications 2012: 50 publications 2013: 47 publications 2014: 44 publications 2015: 43 publications 2016: 54 publications 2017: 39 publications 2018: 52 publications 2019: 36 publications 2020: 35 publications 2021: 43 publications 2022: 21 publications 2023: 23 publications 2024: 19 publications 2025: 14 publications
1997 2025

736 publications in total across all disciplines

View publications per year as a table
Umesh D. Parashar: publications per year, 1997 to 2025
Year Publications
1997 1
1998 8
1999 7
2000 9
2001 12
2002 5
2003 9
2004 15
2005 11
2006 12
2007 7
2008 17
2009 40
2010 27
2011 36
2012 50
2013 47
2014 44
2015 43
2016 54
2017 39
2018 52
2019 36
2020 35
2021 43
2022 21
2023 23
2024 19
2025 14
Total 736
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Umesh D. Parashar publications per year - data summary

  • Umesh D. Parashar, a Microbiology scholar from Centers for Disease Control and Prevention, has 736 publications recorded across 29 years, from 1997 to 2025.
  • The oldest publication on record dates to 1997 and the most recent to 2025.
  • The most productive year is 2016, with 54 publications.
  • The least productive year with any output is 1997, with 1 publication.
  • The rate of publication averages 25.4 papers per year over the whole span, or 25.4 per year counting only the 29 years with at least one publication.
  • The last 5 years on the chart (2021-2025) hold 120 publications, 16% of the career total.
  • Split into equal eras - 1997-2006: 89 publications (8.9 per year); 2007-2016: 365 publications (36.5 per year); 2017-2025: 282 publications (31.3 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

Umesh D. Parashar 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 Umesh D. Parashar 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, 625–634 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: 633 publications — 98th percentile

98% 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
575–584 9
585–594 9
595–604 9
605–614 7
615–624 9
625–634 7 633
635–644 4
645–654 5
655–664 6
665–674 7
675–678 3
679+ 99
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Umesh D. Parashar 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.
  • Umesh D. Parashar, a Microbiology scholar from Centers for Disease Control and Prevention, records 633 publications - the 98th percentile of the discipline.
  • 98% of ranked Microbiology scientists score the same or lower than Umesh D. Parashar, and about 2% score higher.
  • The median of the discipline falls in the 195–204 publications range, and Umesh D. Parashar 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).

Umesh D. Parashar 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 Umesh D. Parashar 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, 123 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: 123 D-Index — 98th percentile

98% 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
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 12 123
124 5
125 9
126 6
127+ 95
Download as CSV

Umesh D. Parashar 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.
  • Umesh D. Parashar, a Microbiology scholar from Centers for Disease Control and Prevention, records 123 D-Index - the 98th percentile of the discipline.
  • 98% of ranked Microbiology scientists score the same or lower than Umesh D. Parashar, and about 2% score higher.
  • The median of the discipline falls in the 63 D-Index range, and Umesh D. Parashar 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).

Research.com Recognitions

  • 2026 - Research.com Microbiology in United States Leader Award
  • 2025 - Research.com Microbiology in United States Leader Award
  • 2011 - Oswald Avery Award, Infectious Diseases Society of America

Overview

Umesh D. Parashar is affiliated with the Centers for Disease Control and Prevention in the United States. Their research primarily focuses on medicine, with a significant body of work in infectious diseases, hepatology, cardiology and cardiovascular medicine, animal science and zoology, and surgery.

The scientist's research topics include:

  • Viral gastroenteritis research and epidemiology
  • Hepatitis viruses studies and epidemiology
  • Viral infections and immunology research
  • Animal virus infections studies
  • Gastrointestinal disorders and treatments
  • Virus-based gene therapy research
  • Respiratory viral infections research

Umesh D. Parashar's frequent co-authors are Jacqueline E. Tate, Jason M. Mwenda, Eleanor Burnett, Michael D. Bowen, and Rachel M. Burke. Their collaborative work is published in venues including Vaccine, The Journal of Infectious Diseases, Clinical Infectious Diseases, Open Forum Infectious Diseases, and Harvard Dataverse.

Some recent papers authored or co-authored by Umesh D. Parashar include:

  • "Real-world effectiveness of rotavirus vaccines, 2006-19: a literature review and meta-analysis" (2020), The Lancet Global Health
  • "A Case Series of Children with Acute Hepatitis and Human Adenovirus Infection" (2022), New England Journal of Medicine
  • "Acute Hepatitis and Adenovirus Infection Among Children - Alabama, October 2021-February 2022" (2022), MMWR Morbidity and Mortality Weekly Report
  • "Aetiology and incidence of diarrhoea requiring hospitalisation in children under 5 years of age in 28 low-income and middle-income countries: findings from the Global Pediatric Diarrhea Surveillance network" (2022), BMJ Global Health
  • "Global Impact of Rotavirus Vaccination on Diarrhea Hospitalizations and Deaths Among Children <5 Years Old: 2006-2019" (2020), The Journal of Infectious Diseases

Umesh D. Parashar was awarded the Oswald Avery Award by the Infectious Diseases Society of America in 2011.

Best Publications

  • Global Illness and Deaths Caused by Rotavirus Disease in Children

    Umesh D. Parashar;Erik G. Hummelman;Joseph S. Bresee;Mark A. Miller

  • Rotavirus and Severe Childhood Diarrhea

    Umesh D. Parashar;Christopher J. Gibson;Joseph S. Bresee;Roger I. Glass

  • 2008 estimate of worldwide rotavirus-associated mortality in children younger than 5 years before the introduction of universal rotavirus vaccination programmes: a systematic review and meta-analysis

    Jacqueline E Tate;Anthony H Burton;Cynthia Boschi-Pinto;A Duncan Steele

  • Global prevalence of norovirus in cases of gastroenteritis: a systematic review and meta-analysis.

    Sharia M Ahmed;Aron J Hall;Anne E Robinson;Linda Verhoef

  • Systematic literature review of role of noroviruses in sporadic gastroenteritis.

    Manish M. Patel;Marc-Alain Widdowson;Roger I. Glass;Kenichiro Akazawa

  • Global, Regional, and National Estimates of Rotavirus Mortality in Children <5 Years of Age, 2000-2013.

    Jacqueline E. Tate;Anthony H. Burton;Cynthia Boschi-Pinto;Umesh D. Parashar

  • Noroviruses: a comprehensive review.

    Manish M. Patel;Aron J. Hall;Jan Vinjé;Umesh D. Parashar

  • Rotavirus infection

    Unknown

  • Epidemiologic and molecular trends of "Norwalk-like viruses" associated with outbreaks of gastroenteritis in the United States.

    Rebecca L. Fankhauser;Stephan S. Monroe;Jacqueline S. Noel;Jacqueline S. Noel;Charles D. Humphrey

  • Prevention of rotavirus gastroenteritis among infants and children. Recommendations of the Advisory Committee on Immunization Practices (ACIP).

    Margaret M. Cortese;Umesh D. Parashar

  • Deaths of Children during an Outbreak of Hand, Foot, and Mouth Disease in Sarawak, Malaysia: Clinical and Pathological Characteristics of the Disease

    L. G. Chan;Umesh D. Parashar;M. S. Lye;F. G. L. Ong

  • Rotavirus Vaccination and the Global Burden of Rotavirus Diarrhea Among Children Younger Than 5 Years.

    Christopher Troeger;Ibrahim A. Khalil;Puja C. Rao;Shujin Cao

  • Norovirus and Medically Attended Gastroenteritis in U.S. Children

    Daniel C. Payne;Jan Vinjé;Peter G. Szilagyi;Kathryn M. Edwards

  • Serotype diversity and reassortment between human and animal rotavirus strains: implications for rotavirus vaccine programs.

    Jon R. Gentsch;Ashley R. Laird;Brittany Bielfelt;Dixie D. Griffin

  • Global mortality associated with rotavirus disease among children in 2004.

    Umesh D. Parashar;Anthony Burton;Claudio Lanata;Cynthia Boschi-Pinto

  • Nipah Virus Encephalitis Reemergence, Bangladesh

    Vincent P. Hsu;Mohammed Jahangir Hossain;Umesh D Parashar;Mohammed Monsur Ali

  • Norovirus Disease in the United States

    Aron J. Hall;Ben A. Lopman;Daniel C. Payne;Manish M. Patel

  • Rotavirus vaccines: current prospects and future challenges

    Roger I Glass;Umesh D Parashar;Joseph S Bresee;Reina Turcios

  • Systematic review of regional and temporal trends in global rotavirus strain diversity in the pre rotavirus vaccine era: insights for understanding the impact of rotavirus vaccination programs

    Krisztián Bányai;Brigitta László;Brigitta László;Jazmin Duque;A. Duncan Steele

  • Recent Resurgence of Mumps in the United States

    Gustavo H. Dayan;M. Patricia Quinlisk;Amy A. Parker;Albert E. Barskey

  • The global burden of diarrhoeal disease in children

    Umesh D. Parashar;Joseph S. Bresee;Roger I. Glass

Frequent Co-Authors

Jacqueline E. Tate
Jacqueline E. Tate Centers for Disease Control and Prevention
Manish M. Patel
Manish M. Patel Centers for Disease Control and Prevention
Roger I. Glass
Roger I. Glass National Institutes of Health
Jon R. Gentsch
Jon R. Gentsch Centers for Disease Control and Prevention
Aron J. Hall
Aron J. Hall Centers for Disease Control and Prevention
Michael D. Bowen
Michael D. Bowen Centers for Disease Control and Prevention
Jan Vinjé
Jan Vinjé Centers for Disease Control and Prevention
Baoming Jiang
Baoming Jiang Centers for Disease Control and Prevention
Joseph S. Bresee
Joseph S. Bresee Centers for Disease Control and Prevention
Geoffrey A. Weinberg
Geoffrey A. Weinberg University of Rochester

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Related Online Degrees & Career Pathways

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Health-focused professionals might consider becoming a functional medicine nurse, a role that combines traditional nursing with holistic approaches, ideal for those with a strong background in biology and a passion for patient-centered care.

For those interested in the administrative side of healthcare, earning credentials as a certified professional coder (CPC) can be a lucrative pathway. This role involves medical coding and billing, supporting the healthcare infrastructure.

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