World's Best Scientists 2026 revealed!

D-Index & Metrics

Microbiology

D-Index
65
Citations
14942
World Ranking
2505
National Ranking
89

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.

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: 264 scientists 155–164 publications: 264 scientists 165–174 publications: 253 scientists 175–184 publications: 276 scientists 185–194 publications: 190 scientists 195–204 publications: 233 scientists 205–214 publications: 207 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 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.

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.

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: 111 scientists 57 D-Index: 136 scientists 58 D-Index: 162 scientists 59 D-Index: 151 scientists 60 D-Index: 139 scientists 61 D-Index: 122 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: 93 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.

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

  • 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.

    Warish Ahmed;Nicola Angel;Janette Edson;Kyle Bibby

  • 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

  • Decay of SARS-CoV-2 and surrogate murine hepatitis virus RNA in untreated wastewater to inform application in wastewater-based epidemiology.

    Warish Ahmed;Paul M. Bertsch;Kyle Bibby;Eiji Haramoto

  • Show us the data: global COVID-19 wastewater monitoring efforts, equity, and gaps

    Unknown

  • 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

  • Surveillance of SARS-CoV-2 RNA in wastewater: Methods optimisation and quality control are crucial for generating reliable public health information.

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

  • 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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