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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Microbiology 77 1341 1209 6 6 399 23993

Paul A. Tambyah publications per year

The chart shows the history of publications by Paul A. Tambyah between 1990 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Paul A. Tambyah published across 37 years, from 1990 to 2026, averaging 14.9 papers a year. Output peaked at 74 publications in 2021. 27 of the 551 publications appeared in the last two years.

No. of publications
20 40 60
Bar chart. Horizontal axis: year, 1990 to 2026. Vertical axis: number of publications, 0 to 74. Peak 74 publications in 2021. 1990: 1 publication 1991: 0 publications 1992: 0 publications 1993: 3 publications 1994: 1 publication 1995: 0 publications 1996: 2 publications 1997: 0 publications 1998: 0 publications 1999: 1 publication 2000: 5 publications 2001: 5 publications 2002: 2 publications 2003: 10 publications 2004: 8 publications 2005: 8 publications 2006: 6 publications 2007: 15 publications 2008: 28 publications 2009: 16 publications 2010: 21 publications 2011: 16 publications 2012: 19 publications 2013: 14 publications 2014: 20 publications 2015: 29 publications 2016: 20 publications 2017: 21 publications 2018: 22 publications 2019: 21 publications 2020: 46 publications 2021: 74 publications 2022: 34 publications 2023: 28 publications 2024: 28 publications 2025: 26 publications 2026: 1 publication
1990 2026

551 publications in total across all disciplines

View publications per year as a table
Paul A. Tambyah: publications per year, 1990 to 2026
Year Publications
1990 1
1991 0
1992 0
1993 3
1994 1
1995 0
1996 2
1997 0
1998 0
1999 1
2000 5
2001 5
2002 2
2003 10
2004 8
2005 8
2006 6
2007 15
2008 28
2009 16
2010 21
2011 16
2012 19
2013 14
2014 20
2015 29
2016 20
2017 21
2018 22
2019 21
2020 46
2021 74
2022 34
2023 28
2024 28
2025 26
2026 1
Total 551
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Paul A. Tambyah 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 Paul A. Tambyah 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, 395–404 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: 399 publications — 90th percentile

90% 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 44 399
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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Paul A. Tambyah 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 Paul A. Tambyah 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, 77 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: 77 D-Index — 76th percentile

76% 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 77
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

Paul A. Tambyah is affiliated with the National University of Singapore in Singapore. Their research primarily spans the field of Medicine, with focused work in Infectious Diseases, Epidemiology, Neurology, Modeling and Simulation, and Pulmonary and Respiratory Medicine.

The scholar has contributed extensively to topics related to COVID-19 and viral infections. Their main topics of work include:

  • COVID-19 Clinical Research Studies
  • SARS-CoV-2 and COVID-19 Research
  • Long-Term Effects of COVID-19
  • COVID-19 epidemiological studies
  • SARS-CoV-2 detection and testing
  • Vaccine Coverage and Hesitancy
  • Viral Infections and Outbreaks Research

They have published notable papers such as:

  • "SARS-CoV-2-specific T cell immunity in cases of COVID-19 and SARS, and uninfected controls" (2020, Nature)
  • "Active tuberculosis, sequelae and COVID-19 co-infection: first cohort of 49 cases" (2020, European Respiratory Journal)
  • "Covert COVID-19 and false-positive dengue serology in Singapore" (2020, The Lancet Infectious Diseases)
  • "Highly functional virus-specific cellular immune response in asymptomatic SARS-CoV-2 infection" (2021, The Journal of Experimental Medicine)
  • "COVID-19 and ischemic stroke: a systematic review and meta-summary of the literature" (2020, Journal of Thrombosis and Thrombolysis)

Frequent collaborators include:

  • Jinghao Nicholas Ngiam
  • David Chien Lye
  • Barnaby Edward Young
  • Lisa F. P. Ng
  • Matthew Chung Yi Koh

The scientist has published in various scholarly venues, with higher numbers of publications in:

  • International Journal of Infectious Diseases
  • Open Forum Infectious Diseases
  • SSRN Electronic Journal
  • Singapore Medical Journal
  • bioRxiv (Cold Spring Harbor Laboratory)

Regarding book publications, they have contributed to a volume published by World Scientific titled COVID-19 Pandemic in Singapore (2021).

Best Publications

  • SARS-CoV-2-specific T cell immunity in cases of COVID-19 and SARS, and uninfected controls.

    Nina Le Bert;Anthony T Tan;Kamini Kunasegaran;Christine Y L Tham

  • Engineering out the risk for infection with urinary catheters.

    Dennis G. Maki;Paul A. Tambyah

  • Effect of Piperacillin-Tazobactam vs Meropenem on 30-Day Mortality for Patients With E coli or Klebsiella pneumoniae Bloodstream Infection and Ceftriaxone Resistance A Randomized Clinical Trial

    Patrick N. A. Harris;Patrick N. A. Harris;Patrick N. A. Harris;Paul A. Tambyah;David C. Lye;David C. Lye;David C. Lye;Yin Mo

  • Catheter-associated urinary tract infection is rarely symptomatic: a prospective study of 1,497 catheterized patients.

    Paul A. Tambyah;Dennis G. Maki

  • Antimicrobial consumption and resistance in adult hospital inpatients in 53 countries: results of an internet-based global point prevalence survey.

    Ann Versporten;Peter Zarb;Isabelle Caniaux;Marie Françoise Gros

  • European and Asian guidelines on management and prevention of catheter-associated urinary tract infections.

    Peter Tenke;Bela Kovacs;Truls E. Bjerklund Johansen;Tetsuro Matsumoto

  • The Global Spread of Healthcare-Associated Multidrug-Resistant Bacteria: a Perspective from Asia

    James S. Molton;Paul A. Tambyah;Paul A. Tambyah;Brenda S. P. Ang;Moi Lin Ling

  • The emerging threat of multidrug-resistant Gram-negative bacteria in urology

    Hosam M. Zowawi;Patrick N. A. Harris;Matthew J. Roberts;Paul A. Tambyah

  • Active tuberculosis, sequelae and COVID-19 co-infection: first cohort of 49 cases.

    Marina Tadolini;Luigi Ruffo Codecasa;José María García-García;François Xavier Blanc

  • Covert COVID-19 and false-positive dengue serology in Singapore

    Gabriel Yan;Chun Kiat Lee;Lawrence Tm Lam;Benedict Yan

  • A prospective study of pathogenesis of catheter-associated urinary tract infections.

    Paul A. Tambyah;Kathleen T. Halvorson;Dennis G. Maki

  • The direct costs of nosocomial catheter-associated urinary tract infection in the era of managed care.

    Paul A Tambyah;Valerie Knasinski;Dennis G Maki

  • Highly functional virus-specific cellular immune response in asymptomatic SARS-CoV-2 infection.

    Nina Le Bert;Hannah E. Clapham;Anthony T. Tan;Wan Ni Chia

  • Carbapenem-Resistant Acinetobacter baumannii and Enterobacteriaceae in South and Southeast Asia.

    Li-Yang Hsu;Li-Yang Hsu;Anucha Apisarnthanarak;Erum Khan;Nuntra Suwantarat

  • Active Infection of Human Blood Monocytes by Chikungunya Virus Triggers an Innate Immune Response

    Zhisheng Her;Benoit Malleret;Monica Chan;Edward K. S. Ong

  • A Clinical Trial of a Whole-Virus H5N1 Vaccine Derived from Cell Culture

    Hartmut J. Ehrlich;Markus Müller;Helen M.L. Oh;Paul A. Tambyah

  • An Outbreak of Fusarium Keratitis Associated With Contact Lens Wear in Singapore

    Wei-Boon Khor;Tin Aung;Seang-Mei Saw;Tien-Yin Wong

  • Global epidemiology and clinical outcomes of carbapenem-resistant Pseudomonas aeruginosa and associated carbapenemases (POP): a prospective cohort study

    Unknown

  • Emergence of a new SARS-CoV-2 variant in the UK.

    Julian W Tang;Paul A Tambyah;David Sc Hui

  • Viral Load of SARS-CoV-2 in Respiratory Aerosols Emitted by COVID-19 Patients while Breathing, Talking, and Singing.

    Kristen K Coleman;Douglas Jie Wen Tay;Kai Sen Tan;Sean Wei Xiang Ong

  • Dengue Hemorrhagic Fever Transmitted by Blood Transfusion

    Paul A. Tambyah;Evelyn S.C. Koay;Michelle L.M. Poon;Raymond V.T.P. Lin

  • β-lactam and β-lactamase inhibitor combinations in the treatment of extended-spectrum β-lactamase producing Enterobacteriaceae: time for a reappraisal in the era of few antibiotic options?

    Patrick N A Harris;Patrick N A Harris;Paul A Tambyah;David L Paterson

Frequent Co-Authors

David C. Lye
David C. Lye Tan Tock Seng Hospital
Raymond T. P. Lin
Raymond T. P. Lin National University of Singapore
Barnaby Young
Barnaby Young National Centre for Infectious Diseases
Laurent Rénia
Laurent Rénia Nanyang Technological University
Vernon J. Lee
Vernon J. Lee Ministry of Health
Yee Sin Leo
Yee Sin Leo Nanyang Technological University
Lisa F. P. Ng
Lisa F. P. Ng Agency for Science, Technology and Research
Julian W. Tang
Julian W. Tang University of Leicester
David L. Paterson
David L. Paterson University of Queensland
Vincent T. K. Chow
Vincent T. K. Chow National University of Singapore

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