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 65 2506 2293 89 85 199 14942

Warish Ahmed publications per year

The chart shows the history of publications by Warish Ahmed between 2005 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Warish Ahmed published across 21 years, from 2005 to 2025, averaging 12.9 papers a year. Output peaked at 24 publications in 2020. 29 of the 270 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 2005 to 2025. Vertical axis: number of publications, 0 to 24. Peak 24 publications in 2020. 2005: 6 publications 2006: 3 publications 2007: 3 publications 2008: 14 publications 2009: 11 publications 2010: 12 publications 2011: 4 publications 2012: 10 publications 2013: 7 publications 2014: 5 publications 2015: 11 publications 2016: 12 publications 2017: 14 publications 2018: 18 publications 2019: 16 publications 2020: 24 publications 2021: 24 publications 2022: 23 publications 2023: 24 publications 2024: 15 publications 2025: 14 publications
2005 2025

270 publications in total across all disciplines

View publications per year as a table
Warish Ahmed: publications per year, 2005 to 2025
Year Publications
2005 6
2006 3
2007 3
2008 14
2009 11
2010 12
2011 4
2012 10
2013 7
2014 5
2015 11
2016 12
2017 14
2018 18
2019 16
2020 24
2021 24
2022 23
2023 24
2024 15
2025 14
Total 270
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Warish Ahmed 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 Warish Ahmed 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, 195–204 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: 199 publications — 48th percentile

48% 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
195–204 234 199
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
635–644 4
645–654 5
655–664 6
665–674 7
675–678 3
679+ 99
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Warish Ahmed 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 Warish Ahmed 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, 65 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: 65 D-Index — 55th percentile

55% 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 65
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

Warish Ahmed is a researcher affiliated with the Commonwealth Scientific and Industrial Research Organisation in Australia. Their work primarily spans the fields of Medicine and Environmental Science, with a focus on infectious disease detection and environmental monitoring.

The scientist has contributed extensively to the understanding of wastewater surveillance for viral pathogens, especially SARS-CoV-2. Their research covers areas such as SARS-CoV-2 detection and testing, biosensors and analytical detection, fecal contamination and water quality, and viral gastroenteritis research and epidemiology. Additional topics in their work include advanced biosensing and bioanalysis techniques as well as pharmaceutical and antibiotic environmental impacts.

Warish Ahmed has published multiple papers, with notable examples including:

  • First confirmed detection of SARS-CoV-2 in untreated wastewater in Australia: A proof of concept for the wastewater surveillance of COVID-19 in the community (2020), The Science of The Total Environment
  • Comparison of virus concentration methods for the RT-qPCR-based recovery of murine hepatitis virus, a surrogate for SARS-CoV-2 from untreated wastewater (2020), The Science of The Total Environment

Their frequent co-authors include Stuart L. Simpson, Aaron Bivins, Wendy Smith, Masaaki Kitajima, and Kyle Bibby, indicating collaboration with experts in environmental science and epidemiology.

Warish Ahmed's research is often published in high-profile venues such as:

  • The Science of The Total Environment
  • Water Research
  • Current Opinion in Environmental Science & Health
  • bioRxiv (Cold Spring Harbor Laboratory)
  • ACS ES&T Water

Their scientific output addresses subfields including infectious diseases, biomedical engineering, water science and technology, molecular biology, and public health, environmental, and occupational health. Their work supports public health efforts by improving detection methods and surveillance strategies for pathogens in wastewater, which has been especially relevant during the COVID-19 pandemic.

Best Publications

  • SARS-CoV-2 in wastewater: State of the knowledge and research needs.

    Masaaki Kitajima;Warish Ahmed;Kyle Bibby;Annalaura Carducci

  • First detection of SARS-CoV-2 RNA in wastewater in North America: A study in Louisiana, USA.

    Samendra P. Sherchan;Shalina Shahin;Lauren M. Ward;Sarmila Tandukar

  • Comparison of virus concentration methods for the RT-qPCR-based recovery of murine hepatitis virus, a surrogate for SARS-CoV-2 from untreated wastewater.

    Warish Ahmed;Paul M. Bertsch;Aaron Bivins;Kyle Bibby

  • Wastewater-Based Epidemiology: Global Collaborative to Maximize Contributions in the Fight Against COVID-19.

    Aaron Bivins;Devin North;Arslan Ahmad;Warish Ahmed

  • Persistence of SARS-CoV-2 in Water and Wastewater

    Aaron Bivins;Justin Greaves;Robert Fischer;Kwe Claude Yinda

  • SARS-CoV-2 RNA monitoring in wastewater as a potential early warning system for COVID-19 transmission in the community: A temporal case study.

    Warish Ahmed;Ben Tscharke;Paul M. Bertsch;Kyle Bibby

  • Minimizing errors in RT-PCR detection and quantification of SARS-CoV-2 RNA for wastewater surveillance

    Warish Ahmed;Stuart L. Simpson;Paul M. Bertsch;Kyle Bibby

  • Real-time PCR detection of pathogenic microorganisms in roof-harvested rainwater in Southeast Queensland, Australia.

    Warish Ahmed;Warish Ahmed;Flavia Huygens;Ashantha Goonetilleke;Ted Gardner;Ted Gardner

  • Microbiological quality of roof-harvested rainwater and health risks: a review.

    W. Ahmed;T. Gardner;S. Toze

  • Sewage pollution in urban stormwater runoff as evident from the widespread presence of multiple microbial and chemical source tracking markers

    Jatinder Sidhu;Warish Ahmed;Warish Ahmed;Wolfgang Gernjak;Rupak Aryal;Rupak Aryal

  • Health Risk from the Use of Roof-Harvested Rainwater in Southeast Queensland, Australia, as Potable or Nonpotable Water, Determined Using Quantitative Microbial Risk Assessment

    W Ahmed;A Vieritz;A Goonetilleke;Ted Gardner

  • Detection of SARS-CoV-2 RNA in commercial passenger aircraft and cruise ship wastewater: a surveillance tool for assessing the presence of COVID-19 infected travellers.

    Warish Ahmed;Paul M Bertsch;Nicola Angel;Kyle Bibby

  • Prevalence of human pathogens and indicators in stormwater runoff in Brisbane, Australia

    J.P.S. Sidhu;L. Hodgers;W. Ahmed;W. Ahmed;M.N. Chong

  • A review on microbial contaminants in stormwater runoff and outfalls: Potential health risks and mitigation strategies.

    Warish Ahmed;Kerry Hamilton;Simon Toze;Stephen Cook

  • Comparison of concentration methods for quantitative detection of sewage-associated viral markers in environmental waters.

    W. Ahmed;W. Ahmed;V. J. Harwood;P. Gyawali;P. Gyawali;J. P. S. Sidhu;J. P. S. Sidhu;J. P. S. Sidhu

  • Evidence of septic system failure determined by a bacterial biochemical fingerprinting method

    W Ahmed;R J Neller;M Katouli

  • Performance characteristics of qPCR assays targeting human- and ruminant-associated bacteroidetes for microbial source tracking across sixteen countries on six continents

    Georg H Reischer;James E Ebdon;Johanna M Bauer;Nathalie Schuster

  • Prevalence and occurrence of zoonotic bacterial pathogens in surface waters determined by quantitative PCR

    Warish Ahmed;Shweta Sawant;Flavia Huygens;Ashantha Goonetilleke

Frequent Co-Authors

Simon Toze
Simon Toze Commonwealth Scientific and Industrial Research Organisation
Ashantha Goonetilleke
Ashantha Goonetilleke Queensland University of Technology
Michael J. Sadowsky
Michael J. Sadowsky University of Minnesota
Kyle Bibby
Kyle Bibby University of Notre Dame
Valerie J. Harwood
Valerie J. Harwood University of South Florida
Charles N. Haas
Charles N. Haas Drexel University
Stuart L. Simpson
Stuart L. Simpson Commonwealth Scientific and Industrial Research Organisation
Jochen F. Mueller
Jochen F. Mueller University of Queensland
Kevin V. Thomas
Kevin V. Thomas University of Queensland

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