All Stories

  1. In Situ Calibration of Passive Samplers for Monitoring Host-Associated Fecal Markers in an Urban River

    Article • ACS ES&T Water, October 2025, American Chemical Society (ACS)

    Dr Warish Ahmed

  2. Comparative Analysis of RT-qPCR Assay Sensitivity and Process Limit of Detection for Japanese Encephalitis Virus (JEV) Detection in Piggery Wastewater

    Article • Journal of Virological Methods, October 2025, Elsevier

    Dr Warish Ahmed

  3. Detection of Japanese Encephalitis (JE) Virus in Piggery effluent from an Australian Farm Prior to Outbreaks of JE

    Article • September 2025, Cold Spring Harbor Laboratory Press

    Dr Warish Ahmed

  4. Surveillance of Japanese encephalitis virus in piggery effluent and environmental samples: a complementary tool for outbreak detection

    Article • Applied and Environmental Microbiology, September 2025, ASM Journals

    Dr Warish Ahmed

  5. Aircraft lavatory wastewater surveillance for movement of antimicrobial resistance genes: a proof-of-concept study

    Article • Microbiology Spectrum, July 2025, ASM Journals

    Dr Warish Ahmed

  6. In-situ calibration of passive samplers for monitoring host-associated fecal markers in an urban river

    Article • June 2025, Cold Spring Harbor Laboratory Press

    Dr Warish Ahmed

  7. The use of faecal indicator organisms to manage microbial health risks in recreational waterways not impacted by point sources of sewage: a systematic review of the epidemiological evidence

    Article • Journal of Water and Health, May 2025, IWA Publishing

    Dr Warish Ahmed

  8. Surveillance of Japanese Encephalitis Virus in Piggery Effluent and Environmental Samples: A Complementary Tool for Outbreak Detection

    Article • April 2025, Cold Spring Harbor Laboratory Press

    Dr Warish Ahmed

  9. Development of a triplex RT-qPCR assay for simultaneous quantification of Japanese encephalitis, Murray Valley encephalitis, and West Nile viruses for environmental surveillance

    Article • Microbiology Spectrum, October 2024, ASM Journals

    Dr Warish Ahmed

  10. The Effect of Diurnal Temperature Fluctuations on the Decay of Japanese Encephalitis and Murray Valley Encephalitis Virus RNA Seeded in Piggery Wastewater

    Article • ACS ES&T Water, August 2024, American Chemical Society (ACS)

    Dr Warish Ahmed

  11. Assessment of nucleic acid extraction protocols for antibiotic resistance genes (ARGs) quantification in aircraft wastewater

    Article • Human Genomics, May 2024, Springer Science + Business Media

    Dr Warish Ahmed

  12. Tracking the effects of the COVID-19 pandemic on viral gastroenteritis through wastewater-based retrospective analyses

    Article • The Science of The Total Environment, December 2023, Elsevier

    Dr Warish Ahmed

  13. Moving forward with COVID-19: Future research prospects of wastewater-based epidemiology methodologies and applications

    Article • Current Opinion in Environmental Science & Health, June 2023, Elsevier

    Dr Warish Ahmed

  14. The growing need to establish a global wastewater surveillance consortium for future pandemic preparedness

    Article • Journal of Travel Medicine, March 2023, Oxford University Press (OUP)

    Dr Warish Ahmed

  15. Occurrence of multiple respiratory viruses in wastewater in Queensland, Australia: Potential for community disease surveillance

    Article • The Science of The Total Environment, March 2023, Elsevier

    Dr Warish Ahmed

  16. Wastewater-based prediction of COVID-19 cases using a highly sensitive SARS-CoV-2 RNA detection method combined with mathematical modeling

    Article • Environment International, March 2023, Elsevier

    Dr Warish Ahmed

  17. Impact of sewer biofilms on fate of SARS-CoV-2 RNA and wastewater surveillance

    Article • Nature Water, February 2023, Springer Science + Business Media

    Dr Warish Ahmed

  18. Scientific evidence on the origin of SARS-CoV-2

    Article • Environmental Research, January 2023, Elsevier

    Avelino Núñez-Delgado, Professor Jesus L Romalde, Dr Warish Ahmed

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

    Article • FEMS Microbes, January 2023, Oxford University Press (OUP)

    Dr Warish Ahmed

  20. Assessment of two volumetrically different concentration approaches to improve sensitivities for SARS-CoV-2 detection during wastewater monitoring

    Article • Journal of Virological Methods, January 2023, Elsevier

    Dr Warish Ahmed

  21. The environment, epidemics, and human health

    Article • Environmental Research, November 2022, Elsevier

    Avelino Núñez-Delgado, Dr Warish Ahmed

  22. Distribution of human fecal marker genes and their association with pathogenic viruses in untreated wastewater determined using quantitative PCR

    Article • Water Research, November 2022, Elsevier

    Dr Warish Ahmed

  23. Storm promotes the dissemination of antibiotic resistome in an urban lagoon through enhancing bio-interactions

    Article • Environment International, October 2022, Elsevier

    Dr Warish Ahmed

  24. Application of digital PCR for public health-related water quality monitoring

    Article • The Science of The Total Environment, September 2022, Elsevier

    Dr Warish Ahmed

  25. Developing a novel Bifidobacterium phage quantitative polymerase chain reaction-based assay for tracking untreated wastewater

    Article • The Science of The Total Environment, September 2022, Elsevier

    Dr Warish Ahmed

  26. Free-Living Amoeba and Associated Pathogenic Bacteria in Well-Chlorinated Drinking Water Storage Tanks

    Article • ACS ES&T Water, August 2022, American Chemical Society (ACS)

    Dr Warish Ahmed

  27. Passive sampling to scale wastewater surveillance of infectious disease: Lessons learned from COVID-19

    Article • The Science of The Total Environment, August 2022, Elsevier

    Dr Warish Ahmed

  28. RT-qPCR and ATOPlex sequencing for the sensitive detection of SARS-CoV-2 RNA for wastewater surveillance

    Article • Water Research, July 2022, Elsevier

    Dr Warish Ahmed

  29. Microbial Source Tracking as a Method of Determination of Beach Sand Contamination

    Article • International Journal of Environmental Research and Public Health, June 2022, MDPI AG

    Dr Warish Ahmed

  30. Monitoring of SARS-CoV-2 in sewersheds with low COVID-19 cases using a passive sampling technique

    Article • Water Research, June 2022, Elsevier

    Dr Warish Ahmed

  31. Detection of the Omicron (B.1.1.529) variant of SARS-CoV-2 in aircraft wastewater

    Article • The Science of The Total Environment, May 2022, Elsevier

    Dr Warish Ahmed

  32. Evaluation of process limit of detection and quantification variation of SARS-CoV-2 RT-qPCR and RT-dPCR assays for wastewater surveillance

    Article • Water Research, April 2022, Elsevier

    Dr Warish Ahmed

  33. In Situ Calibration of Passive Samplers for Viruses in Wastewater

    Article • ACS ES&T Water, February 2022, American Chemical Society (ACS)

    Dr Warish Ahmed

  34. Evaluation of multiple analytical methods for SARS-CoV-2 surveillance in wastewater samples

    Article • The Science of The Total Environment, February 2022, Elsevier

    Dr Warish Ahmed

  35. Comparison of RT-qPCR and RT-dPCR Platforms for the Trace Detection of SARS-CoV-2 RNA in Wastewater

    Article • ACS ES&T Water, January 2022, American Chemical Society (ACS)

    Dr Warish Ahmed

  36. Developing a Novel Bifidobacterium Phage Quantitative Polymerase Chain Reaction-Based Assay for Tracking Untreated Wastewater

    Article • SSRN Electronic Journal, January 2022, Elsevier

    Dr Warish Ahmed

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

    Article • The Science of The Total Environment, January 2022, Elsevier

    Dr Warish Ahmed, Rehnuma Haque

  38. Wastewater surveillance demonstrates high predictive value for COVID-19 infection on board repatriation flights to Australia

    Article • Environment International, January 2022, Elsevier

    Dr Warish Ahmed

  39. Comparative analysis of rapid concentration methods for the recovery of SARS-CoV-2 and quantification of human enteric viruses and a sewage-associated marker gene in untreated wastewater

    Article • The Science of The Total Environment, December 2021, Elsevier

    Dr Warish Ahmed

  40. Data-driven estimation of COVID-19 community prevalence through wastewater-based epidemiology

    Article • The Science of The Total Environment, October 2021, Elsevier

    Dr Warish Ahmed

  41. Variability in RT-qPCR assay parameters indicates unreliable SARS-CoV-2 RNA quantification for wastewater surveillance

    Article • Water Research, September 2021, Elsevier

    Dr Warish Ahmed

  42. Within- and between-Day Variability of SARS-CoV-2 RNA in Municipal Wastewater during Periods of Varying COVID-19 Prevalence and Positivity

    Article • ACS ES&T Water, August 2021, American Chemical Society (ACS)

    Dr Warish Ahmed

  43. Virological Characterization of Roof-Harvested Rainwater of Densely Urbanized Low-Income Region

    Article • Food and Environmental Virology, June 2021, Springer Science + Business Media

    Dr Warish Ahmed

  44. Occurrence of SARS-CoV-2 RNA in Six Municipal Wastewater Treatment Plants at the Early Stage of COVID-19 Pandemic in The United States

    Article • Pathogens, June 2021, MDPI AG

    Dr Warish Ahmed

  45. Discussion on “Potential discharge, attenuation and exposure risk of SARS-CoV-2 in natural water bodies receiving treated wastewater”

    Article • npj Clean Water, June 2021, Springer Science + Business Media

    Dr Warish Ahmed

  46. Antibiotic Resistance and Sewage-Associated Marker Genes in Untreated Sewage and a River Characterized During Baseflow and Stormflow

    Article • Frontiers in Microbiology, June 2021, Frontiers

    Dr Warish Ahmed

  47. Development of a large volume concentration method for recovery of coronavirus from wastewater

    Article • The Science of The Total Environment, June 2021, Elsevier

    Dr Warish Ahmed

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

    Article • The Science of The Total Environment, March 2021, Elsevier

    Dr Warish Ahmed

  49. Performance of viral and bacterial genetic markers for sewage pollution tracking in tropical Thailand

    Article • Water Research, February 2021, Elsevier

    Dr Warish Ahmed

  50. Intraday variability of indicator and pathogenic viruses in 1-h and 24-h composite wastewater samples: Implications for wastewater-based epidemiology

    Article • Environmental Research, February 2021, Elsevier

    Dr Warish Ahmed

  51. Differentiating between the possibility and probability of SARS-CoV-2 transmission associated with wastewater: empirical evidence is needed to substantiate risk

    Article • FEMS Microbes, January 2021, Oxford University Press (OUP)

    Dr Paul Monis, Dr Paul Monis, Dr Warish Ahmed

  52. Wastewater monitoring for SARS-CoV-2

    Article • Microbiology Australia, January 2021, CSIRO Publishing

    Dr Paul Monis, Dr Paul Monis, Dr Warish Ahmed

  53. Comparative decay of culturable faecal indicator bacteria, microbial source tracking marker genes, and enteric pathogens in laboratory microcosms that mimic a sub-tropical environment

    Article • The Science of The Total Environment, January 2021, Elsevier

    Dr Warish Ahmed

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

    Article • Environmental Research, December 2020, Elsevier

    Dr Warish Ahmed

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

    Article • The Science of The Total Environment, November 2020, Elsevier

    Dr Warish Ahmed

  56. Interlaboratory accuracy and precision among results of three sewage-associated marker genes in urban environmental estuarine waters and freshwater streams

    Article • The Science of The Total Environment, November 2020, Elsevier

    Dr Warish Ahmed

  57. Persistence of SARS-CoV-2 in Water and Wastewater

    Article • Environmental Science & Technology Letters, October 2020, American Chemical Society (ACS)

    Dr Warish Ahmed

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

    Article • The Science of The Total Environment, October 2020, Elsevier

    Dr Warish Ahmed

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

    Article • The Science of The Total Environment, October 2020, Elsevier

    Dr Warish Ahmed

  60. Prevalence and abundance of traditional and host-associated fecal indicators in urban estuarine sediments: Potential implications for estuarine water quality monitoring

    Article • Water Research, October 2020, Elsevier

    Dr Warish Ahmed

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

    Article • Current Opinion in Environmental Science & Health, October 2020, Elsevier

    Dr Warish Ahmed

  62. Editorial: Occupational safety and health: Emerging microbial contaminants and human health effects

    Article • Current Opinion in Environmental Science & Health, August 2020, Elsevier

    Dr Warish Ahmed

  63. Recycled water safety: Current status of traditional and emerging viral indicators

    Article • Current Opinion in Environmental Science & Health, August 2020, Elsevier

    Dr Warish Ahmed

  64. 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

    Article • The Science of The Total Environment, August 2020, Elsevier

    Dr Warish Ahmed

  65. Antibiotic-resistant Enterococcus species in marine habitats: A review

    Article • Current Opinion in Environmental Science & Health, August 2020, Elsevier

    Dr Warish Ahmed

  66. Antimicrobial-resistant microorganisms and their genetic determinants in stormwater: A systematic review

    Article • Current Opinion in Environmental Science & Health, August 2020, Elsevier

    Dr Warish Ahmed

  67. 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

    Article • Journal of Travel Medicine, July 2020, Oxford University Press (OUP)

    Dr Warish Ahmed

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

    Article • Environmental Science & Technology, June 2020, American Chemical Society (ACS)

    Dr Warish Ahmed, Prof Francis L de los Reyes III

  69. Identification of reliable marker genes for the detection of canine fecal contamination in sub-tropical Australia

    Article • The Science of The Total Environment, May 2020, Elsevier

    Dr Warish Ahmed

  70. Expression of attack and growth phase genes of Bdellovibrio bacteriovorus in the presence of Gram-negative and Gram-positive prey

    Article • Microbiological Research, May 2020, Elsevier

    Dr Warish Ahmed

  71. Comparing microbial risks from multiple sustainable waste streams applied for agricultural use: Biosolids, manure, and diverted urine

    Article • Current Opinion in Environmental Science & Health, April 2020, Elsevier

    Dr Warish Ahmed

  72. Environmental and Adaptive Changes Necessitate a Paradigm Shift for Indicators of Fecal Contamination

    Article • Microbiology Spectrum, March 2020, ASM Journals

    Dr Warish Ahmed

  73. Ecological and Technical Mechanisms for Cross-Reaction of Human Fecal Indicators with Animal Hosts

    Article • Applied and Environmental Microbiology, February 2020, ASM Journals

    Dr Warish Ahmed

  74. Predatory bacteria in combination with solar disinfection and solar photocatalysis for the treatment of rainwater

    Article • Water Research, February 2020, Elsevier

    Dr Warish Ahmed

  75. Sewage-associated marker genes illustrate the impact of wet weather overflows and dry weather leakage in urban estuarine waters of Sydney, Australia

    Article • The Science of The Total Environment, February 2020, Elsevier

    Dr Warish Ahmed

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

    Article • The Science of The Total Environment, November 2019, Elsevier

    Dr Warish Ahmed

  77. Compositional and temporal stability of fecal taxon libraries for use with SourceTracker in sub-tropical catchments

    Article • Water Research, November 2019, Elsevier

    Dr Warish Ahmed

  78. Impacts of a changing earth on microbial dynamics and human health risks in the continuum between beach water and sand

    Article • Water Research, October 2019, Elsevier

    Dr Warish Ahmed

  79. Use of Escherichia coli genes associated with human sewage to track fecal contamination source in subtropical waters

    Article • The Science of The Total Environment, October 2019, Elsevier

    Dr Warish Ahmed

  80. Protozoan pathogens Blastocystis and Giardia spp. in roof-harvested rainwater: the need to investigate the role of the common brushtail possum (Trichosurus vulpecula) and other potential sources of zoonotic transmission

    Article • Journal of Water Sanitation and Hygiene for Development, September 2019, IWA Publishing

    Dr Warish Ahmed, Dr Edward K Waters

  81. Synergy between quantitative microbial source tracking (qMST) and quantitative microbial risk assessment (QMRA): A review and prospectus

    Article • Environment International, September 2019, Elsevier

    Dr Warish Ahmed

  82. Enhanced insights from human and animal host-associated molecular marker genes in a freshwater lake receiving wet weather overflows

    Article • Scientific Reports, August 2019, Springer Science + Business Media

    Dr Warish Ahmed

  83. Corrigendum to “Comparative decay of sewage-associated marker genes in beach water and sediment in a subtropical region”[Water Res 149 (2019) 511–521]

    Article • Water Research, August 2019, Elsevier

    Dr Warish Ahmed

  84. Host Specificity and Sensitivity of Established and Novel Sewage-Associated Marker Genes in Human and Nonhuman Fecal Samples

    Article • Applied and Environmental Microbiology, July 2019, ASM Journals

    Dr Warish Ahmed

  85. A duplex PCR assay for the simultaneous quantification of Bacteroides HF183 and crAssphage CPQ_056 marker genes in untreated sewage and stormwater

    Article • Environment International, May 2019, Elsevier

    Dr Warish Ahmed

  86. Evaluation of pepper mild mottle virus as an indicator of human faecal pollution in shellfish and growing waters

    Article • Water Research, May 2019, Elsevier

    Dr Warish Ahmed

  87. Marker genes of fecal indicator bacteria and potential pathogens in animal feces in subtropical catchments

    Article • The Science of The Total Environment, March 2019, Elsevier

    Dr Warish Ahmed

  88. A global review of the microbiological quality and potential health risks associated with roof-harvested rainwater tanks

    Article • npj Clean Water, March 2019, Springer Science + Business Media

    Dr Warish Ahmed

  89. Comparative decay of sewage-associated marker genes in beach water and sediment in a subtropical region

    Article • Water Research, February 2019, Elsevier

    Dr Warish Ahmed

  90. Novel crAssphage marker genes ascertain sewage pollution in a recreational lake receiving urban stormwater runoff

    Article • Water Research, November 2018, Elsevier

    Dr Warish Ahmed

  91. Corrigendum to “Precipitation influences pathogenic bacteria and antibiotic resistance genes abundance in storm drain outfalls in coastal sub-tropical waters” [Environ. Int. 116 (2018) 308–318]

    Article • Environment International, October 2018, Elsevier

    Dr Warish Ahmed

  92. Cryptosporidium and Giardia in Wastewater and Surface Water Environments

    Article • Journal of Environmental Quality, September 2018, Wiley

    Dr Warish Ahmed

  93. Quantitative microbial risk assessment of microbial source tracking markers in recreational water contaminated with fresh untreated and secondary treated sewage

    Article • Environment International, August 2018, Elsevier

    Dr Warish Ahmed

  94. Seasonal metabolic analysis of marine sediments collected from Moreton Bay in South East Queensland, Australia, using a multi-omics-based approach

    Article • The Science of The Total Environment, August 2018, Elsevier

    Dr Warish Ahmed

  95. Seasonal Abundance of Fecal Indicators and Opportunistic Pathogens in Roof-Harvested Rainwater Tanks

    Article • Open Health Data, July 2018, Ubiquity Press, Ltd.

    Dr Warish Ahmed

  96. Precipitation influences pathogenic bacteria and antibiotic resistance gene abundance in storm drain outfalls in coastal sub-tropical waters

    Article • Environment International, July 2018, Elsevier

    Dr Warish Ahmed

  97. Decay of sewage-associated bacterial communities in fresh and marine environmental waters and sediment

    Article • Applied Microbiology and Biotechnology, June 2018, Springer Science + Business Media

    Dr Warish Ahmed

  98. Outbreaks of Legionnaires’ Disease and Pontiac Fever 2006–2017

    Article • Current Environmental Health Reports, May 2018, Springer Science + Business Media

    Dr Warish Ahmed

  99. Global Distribution of Human-Associated Fecal Genetic Markers in Reference Samples from Six Continents

    Article • Environmental Science & Technology, March 2018, American Chemical Society (ACS)

    Dr Warish Ahmed

  100. Application of SourceTracker for Accurate Identification of Fecal Pollution in Recreational Freshwater: A Double-Blinded Study

    Article • Environmental Science & Technology, March 2018, American Chemical Society (ACS)

    Dr Warish Ahmed

  101. Evaluation of the novel crAssphage marker for sewage pollution tracking in storm drain outfalls in Tampa, Florida

    Article • Water Research, March 2018, Elsevier

    Dr Warish Ahmed

  102. Microfluidic quantification of multiple enteric and opportunistic bacterial pathogens in roof-harvested rainwater tank samples

    Article • Environmental Monitoring and Assessment, January 2018, Springer Science + Business Media

    Dr Warish Ahmed

  103. Assessment of Water Quality in Roof-Harvested Rainwater Barrels in Greater Philadelphia

    Article • Water, January 2018, MDPI AG

    Dr Warish Ahmed

  104. Human and animal enteric viral markers for tracking the sources of faecal pollution

    Article • January 2018, Michigan State University Press

    Dr Warish Ahmed

  105. Abundance of Naegleria fowleri in roof-harvested rainwater tank samples from two continents

    Article • Environmental Science and Pollution Research, December 2017, Springer Science + Business Media

    Dr Warish Ahmed

  106. A multi-omics based ecological analysis of coastal marine sediments from Gladstone, in Australia's Central Queensland, and Heron Island, a nearby fringing platform reef

    Article • The Science of The Total Environment, December 2017, Elsevier

    Dr Warish Ahmed

  107. Human health risks for Legionella and Mycobacterium avium complex (MAC) from potable and non-potable uses of roof-harvested rainwater

    Article • Water Research, August 2017, Elsevier

    Dr Warish Ahmed

  108. Quantification of hookworm ova from wastewater matrices using quantitative PCR

    Article • Journal of Environmental Sciences, July 2017, Elsevier

    Pradip Gyawali , Dr Warish Ahmed

  109. Optimization of sampling strategy to determine pathogen removal efficacy of activated sludge treatment plant

    Article • Environmental Science and Pollution Research, June 2017, Springer Science + Business Media

    Dr Warish Ahmed

  110. Assessing risk associated with using urine as a liquid fertilizer

    Article • Microbial Risk Analysis, April 2017, Elsevier

    Professor Ashantha Goonetilleke, Dr Warish Ahmed

  111. Rainwater harvesting in American Samoa: current practices and indicative health risks

    Article • Environmental Science and Pollution Research, March 2017, Springer Science + Business Media

    Pradip Gyawali , Dr Warish Ahmed

  112. A Community Multi-Omics Approach towards the Assessment of Surface Water Quality in an Urban River System

    Article • International Journal of Environmental Research and Public Health, March 2017, MDPI AG

    Dr Warish Ahmed

  113. Comparison of culture-based, vital stain and PMA-qPCR methods for the quantitative detection of viable hookworm ova

    Article • Water Science & Technology Water Supply, March 2017, IWA Publishing

    Pradip Gyawali , Dr Warish Ahmed

  114. Cross-Comparison of Human Wastewater-Associated Molecular Markers in Relation to Fecal Indicator Bacteria and Enteric Viruses in Recreational Beach Waters

    Article • Applied and Environmental Microbiology, February 2017, ASM Journals

    Dr Warish Ahmed

  115. Seasonal Assessment of Opportunistic Premise Plumbing Pathogens in Roof-Harvested Rainwater Tanks

    Article • Environmental Science & Technology, January 2017, American Chemical Society (ACS)

    Dr Warish Ahmed

  116. Amplicon-based taxonomic characterization of bacteria in urban and peri-urban roof-harvested rainwater stored in tanks

    Article • The Science of The Total Environment, January 2017, Elsevier

    Dr Warish Ahmed

  117. A Review of Analytical Techniques and Their Application in Disease Diagnosis in Breathomics and Salivaomics Research

    Article • International Journal of Molecular Sciences, December 2016, MDPI AG

    Dr Warish Ahmed

  118. Amplicon-based profiling of bacteria in raw and secondary treated wastewater from treatment plants across Australia

    Article • Applied Microbiology and Biotechnology, November 2016, Springer Science + Business Media

    Dr Warish Ahmed

  119. Faecal pollution along the southeastern coast of Florida and insight into the use of pepper mild mottle virus as an indicator

    Article • Journal of Applied Microbiology, October 2016, Wiley

    Dr Warish Ahmed

  120. Public health implications of Acanthamoeba and multiple potential opportunistic pathogens in roof-harvested rainwater tanks

    Article • Environmental Research, October 2016, Elsevier

    Dr Warish Ahmed

  121. Evaluation of Glass Wool Filters and Hollow-Fiber Ultrafiltration Concentration Methods for qPCR Detection of Human Adenoviruses and Polyomaviruses in River Water

    Article • Water Air & Soil Pollution, August 2016, Springer Science + Business Media

    Dr Warish Ahmed

  122. Quantitative detection of viable helminth ova from raw wastewater, human feces, and environmental soil samples using novel PMA-qPCR methods

    Article • Environmental Science and Pollution Research, June 2016, Springer Science + Business Media

    Dr Warish Ahmed

  123. An approach to reduce false viability assessment of hookworm eggs with vital stains

    Article • Food and Waterborne Parasitology, June 2016, Elsevier

    Dr Warish Ahmed

  124. Current Status of Marker Genes of Bacteroides and Related Taxa for Identifying Sewage Pollution in Environmental Waters

    Article • Water, May 2016, MDPI AG

    Dr Warish Ahmed

  125. Determination of Ancylostoma caninum ova viability using metabolic profiling

    Article • Zeitschrift für Parasitenkunde Parasitology Research, May 2016, Springer Science + Business Media

    Dr Warish Ahmed

  126. Evidence of Avian and Possum Fecal Contamination in Rainwater Tanks as Determined by Microbial Source Tracking Approaches

    Article • Applied and Environmental Microbiology, May 2016, ASM Journals

    Dr Warish Ahmed

  127. Utility of Helicobacter spp. associated GFD markers for detecting avian fecal pollution in natural waters of two continents

    Article • Water Research, January 2016, Elsevier

    Dr Warish Ahmed

  128. Beyond Metabolomics: A Review of Multi-Omics-Based Approaches

    Article • January 2016, Springer Science + Business Media

    Dr Warish Ahmed

  129. Distributions of Fecal Markers in Wastewater from Different Climatic Zones for Human Fecal Pollution Tracking in Australian Surface Waters

    Article • Applied and Environmental Microbiology, December 2015, ASM Journals

    Dr Warish Ahmed

  130. Comparison of concentration methods for rapid detection of hookworm ova in wastewater matrices using quantitative PCR

    Article • Experimental Parasitology, December 2015, Elsevier

    Dr Warish Ahmed

  131. Rapid concentration and sensitive detection of hookworm ova from wastewater matrices using a real-time PCR method

    Article • Experimental Parasitology, December 2015, Elsevier

    Dr Warish Ahmed

  132. Microbial Source Tracking: Field Study Planning and Implementation

    Article • September 2015, ASM Journals

    Dr Warish Ahmed

  133. Toolbox Approaches Using Molecular Markers and 16S rRNA Gene Amplicon Data Sets for Identification of Fecal Pollution in Surface Water

    Article • Applied and Environmental Microbiology, July 2015, ASM Journals

    Dr Warish Ahmed

  134. Assessment of Genetic Markers for Tracking the Sources of Human Wastewater Associated Escherichia coli in Environmental Waters

    Article • Environmental Science & Technology, July 2015, American Chemical Society (ACS)

    Dr Warish Ahmed, Pradip Gyawali

  135. Biotin- and Glycoprotein-Coated Microspheres as Surrogates for Studying Filtration Removal of Cryptosporidium parvum in a Granular Limestone Aquifer Medium

    Article • Applied and Environmental Microbiology, April 2015, ASM Journals

    Dr Warish Ahmed

  136. Quantitative PCR measurements of Escherichia coli including Shiga Toxin-Producing E. coli (STEC) in Animal Feces and Environmental Waters

    Article • Environmental Science & Technology, February 2015, American Chemical Society (ACS)

    Dr Warish Ahmed

  137. Comparison of Concentration Methods for Quantitative Detection of Sewage-Associated Viral Markers in Environmental Waters

    Article • Applied and Environmental Microbiology, January 2015, ASM Journals

    Dr Warish Ahmed

  138. Monitoring of oil pollution at Gemsa Bay and bioremediation capacity of bacterial isolates with biosurfactants and nanoparticles

    Article • Marine Pollution Bulletin, October 2014, Elsevier

    Dr Warish Ahmed

  139. Relative inactivation of faecal indicator bacteria and sewage markers in freshwater and seawater microcosms

    Article • Letters in Applied Microbiology, June 2014, Oxford University Press (OUP)

    Dr Warish Ahmed

  140. Opportunistic pathogens in roof-captured rainwater samples, determined using quantitative PCR

    Article • Water Research, April 2014, Elsevier

    Dr Warish Ahmed

  141. Prevalence of Enterococcus Species and Their Virulence Genes in Fresh Water Prior to and after Storm Events

    Article • Environmental Science & Technology, February 2014, American Chemical Society (ACS)

    Dr Warish Ahmed

  142. Inactivation of faecal indicator bacteria in a roof-captured rainwater system under ambient meteorological conditions

    Article • Journal of Applied Microbiology, October 2013, Oxford University Press (OUP)

    Dr Warish Ahmed

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

    Article • The Science of The Total Environment, October 2013, Elsevier

    Dr Warish Ahmed

  144. Performance Characteristics of qPCR Assays Targeting Human- and Ruminant-AssociatedBacteroidetesfor Microbial Source Tracking across Sixteen Countries on Six Continents

    Article • Environmental Science & Technology, August 2013, American Chemical Society (ACS)

    Dr Warish Ahmed

  145. Evaluation of Bovine Feces-Associated Microbial Source Tracking Markers and Their Correlations with Fecal Indicators and Zoonotic Pathogens in a Brisbane, Australia, Reservoir

    Article • Applied and Environmental Microbiology, February 2013, ASM Journals

    Dr Warish Ahmed

  146. Sensitive detection of human adenovirus from small volume of primary wastewater samples by quantitative PCR

    Article • Journal of Virological Methods, February 2013, Elsevier

    Dr Warish Ahmed

  147. Fecal indicators and bacterial pathogens in bottled water from Dhaka, Bangladesh

    Article • Brazilian Journal of Microbiology, January 2013, FapUNIFESP (SciELO)

    Dr Warish Ahmed, Professor Ashantha Goonetilleke

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

    Article • Water Research, December 2012, Elsevier

    Dr Warish Ahmed

  149. Occurrence of Virulence Genes Associated with Diarrheagenic Pathotypes in Escherichia coli Isolates from Surface Water

    Article • Applied and Environmental Microbiology, November 2012, ASM Journals

    Dr Warish Ahmed

  150. Escherichia coli and Enterococcus spp. in Rainwater Tank Samples: Comparison of Culture-Based Methods and 23S rRNA Gene Quantitative PCR Assays

    Article • Environmental Science & Technology, September 2012, American Chemical Society (ACS)

    Dr Warish Ahmed

  151. Consistency in the host specificity and host sensitivity of the Bacteroides HF183 marker for sewage pollution tracking

    Article • Letters in Applied Microbiology, August 2012, Oxford University Press (OUP)

    Dr Warish Ahmed

  152. Speciation and Frequency of Virulence Genes of Enterococcus spp. Isolated from Rainwater Tank Samples in Southeast Queensland, Australia

    Article • Environmental Science & Technology, May 2012, American Chemical Society (ACS)

    Dr Warish Ahmed

  153. An Attempt to Identify the Likely Sources of Escherichia coli Harboring Toxin Genes in Rainwater Tanks

    Article • Environmental Science & Technology, April 2012, American Chemical Society (ACS)

    Dr Warish Ahmed

  154. Evaluation of the nifH Gene Marker of Methanobrevibacter smithii for the Detection of Sewage Pollution in Environmental Waters in Southeast Queensland, Australia

    Article • Environmental Science & Technology, December 2011, American Chemical Society (ACS)

    Dr Warish Ahmed

  155. Escherichia coli virulence genes profile of surface waters as an indicator of water quality

    Article • Water Research, December 2011, Elsevier

    Dr Warish Ahmed

  156. Fecal Indicators and Zoonotic Pathogens in Household Drinking Water Taps Fed from Rainwater Tanks in Southeast Queensland, Australia

    Article • Applied and Environmental Microbiology, October 2011, ASM Journals

    Dr Warish Ahmed

  157. Occurrence of Intestinal and Extraintestinal Virulence Genes in Escherichia coli Isolates from Rainwater Tanks in Southeast Queensland, Australia

    Article • Applied and Environmental Microbiology, August 2011, ASM Journals

    Dr Warish Ahmed

  158. Microbiological Quality of Roof-Harvested Rainwater and Health Risks: A Review

    Article • Journal of Environmental Quality, January 2011, American Society of Agronomy

    Dr Warish Ahmed

  159. Source Tracking in Australia and New Zealand: Case Studies

    Article • January 2011, Springer Science + Business Media

    Dr Warish Ahmed

  160. Quantitative PCR assay of sewage-associatedBacteroidesmarkers to assess sewage pollution in an urban lake in Dhaka, Bangladesh

    Article • Canadian Journal of Microbiology, October 2010, Canadian Science Publishing

    Dr Warish Ahmed, Professor Ashantha Goonetilleke

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

    Article • Applied and Environmental Microbiology, September 2010, ASM Journals

    Dr Warish Ahmed, Professor Ashantha Goonetilleke

  162. Human and bovine adenoviruses for the detection of source-specific fecal pollution in coastal waters in Australia

    Article • Water Research, September 2010, Elsevier

    Dr Warish Ahmed, Professor Ashantha Goonetilleke

  163. Prevalence and Persistence of Escherichia coli Strains with Uropathogenic Virulence Characteristics in Sewage Treatment Plants

    Article • Applied and Environmental Microbiology, July 2010, ASM Journals

    Dr Warish Ahmed

  164. Implications of faecal indicator bacteria for the microbiological assessment of roof-harvested rainwater quality in southeast Queensland, Australia

    Article • Canadian Journal of Microbiology, June 2010, Canadian Science Publishing

    Dr Warish Ahmed, Professor Ashantha Goonetilleke

  165. Faecal sterols analysis for the identification of human faecal pollution in a non-sewered catchment

    Article • Water Science & Technology Water Supply, March 2010, IWA Publishing

    Dr Warish Ahmed

  166. Evaluating Sewage-Associated JCV and BKV Polyomaviruses for Sourcing Human Fecal Pollution in a Coastal River in Southeast Queensland, Australia

    Article • Journal of Environmental Quality, January 2010, American Society of Agronomy

    Dr Warish Ahmed, Professor Ashantha Goonetilleke

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

    Article • Water Research, November 2009, Elsevier

    Dr Warish Ahmed, Professor Ashantha Goonetilleke

  168. Evaluation of multiple sewage-associated Bacteroides PCR markers for sewage pollution tracking

    Article • Water Research, November 2009, Elsevier

    Dr Warish Ahmed, Professor Ashantha Goonetilleke

  169. Comparison of molecular markers to detect fresh sewage in environmental waters

    Article • Water Research, November 2009, Elsevier

    Dr Warish Ahmed, Professor Ashantha Goonetilleke

  170. Comment on “Environmental Occurrence of the Enterococcal Surface Protein (esp) Gene is an Unreliable Indicator of Human Fecal Contamination”

    Article • Environmental Science & Technology, July 2009, American Chemical Society (ACS)

    Dr Warish Ahmed, Dr Valerie J Harwood

  171. A consensus: microbial source tracking (MST) in water

    Article • Microbiology Australia, January 2009, CSIRO Publishing

    Dr Warish Ahmed

  172. A real‐time polymerase chain reaction assay for quantitative detection of the human‐specific enterococci surface protein marker in sewage and environmental waters

    Article • Environmental Microbiology, November 2008, Wiley

    Dr Warish Ahmed

  173. Detection and source identification of faecal pollution in non-sewered catchment by means of host-specific molecular markers

    Article • Water Science & Technology Water Supply, August 2008, IWA Publishing

    Dr Warish Ahmed, Professor Ashantha Goonetilleke

  174. Population similarity analysis of indicator bacteria for source prediction of faecal pollution in a coastal lake

    Article • Marine Pollution Bulletin, August 2008, Elsevier

    Dr Warish Ahmed, Professor Ashantha Goonetilleke

  175. Phenotypic variations of enterococci in surface waters: analysis of biochemical fingerprinting data from multi-catchments

    Article • Journal of Applied Microbiology, August 2008, Oxford University Press (OUP)

    Dr Warish Ahmed

  176. Real-Time PCR Detection of Pathogenic Microorganisms in Roof-Harvested Rainwater in Southeast Queensland, Australia

    Article • Applied and Environmental Microbiology, July 2008, ASM Journals

    Dr Warish Ahmed, Professor Ashantha Goonetilleke

  177. Evaluation of the Host-Specificity and Prevalence of Enterococci Surface Protein () Marker in Sewage and its Application for Sourcing Human Fecal Pollution

    Article • Journal of Environmental Quality, January 2008, American Society of Agronomy

    Dr Warish Ahmed

  178. Evaluation of Bacteroides markers for the detection of human faecal pollution

    Article • Letters in Applied Microbiology, November 2007, Oxford University Press (OUP)

    Dr Warish Ahmed

  179. Sourcing faecal pollution: A combination of library-dependent and library-independent methods to identify human faecal pollution in non-sewered catchments

    Article • Water Research, August 2007, Elsevier

    Dr Warish Ahmed

  180. Detection of virulence genes in Escherichia coli of an existing metabolic fingerprint database to predict the sources of pathogenic E. coli in surface waters

    Article • Water Research, August 2007, Elsevier

    Dr Warish Ahmed

  181. Comparison of the efficacy of an existing versus a locally developed metabolic fingerprint database to identify non-point sources of faecal contamination in a coastal lake

    Article • Water Research, July 2006, Elsevier

    Dr Warish Ahmed

  182. Population similarity of enterococci and Escherichia coli in surface waters: A predictive tool to trace the sources of fecal contamination

    Article • Journal of Water and Health, April 2006, IWA Publishing

    Dr Warish Ahmed

  183. Host Species-Specific Metabolic Fingerprint Database for Enterococci and Escherichia coli and Its Application To Identify Sources of Fecal Contamination in Surface Waters

    Article • Applied and Environmental Microbiology, August 2005, ASM Journals

    Dr Warish Ahmed

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

    Article • Journal of Applied Microbiology, April 2005, Oxford University Press (OUP)

    Dr Warish Ahmed