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Biochemistry, Biophysics, and Structural Biology

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Full-Text Articles in Marine Biology

Rapidly Developed, Optimized, And Applied Wastewater Surveillance System For Real-Time Monitoring Of Low-Incidence, High-Impact Mpox Outbreak, Chandler H. Wong, Zhihao Zhang, Walaa Eid, Julio Plaza-Diaz, Pervez Kabir, Shen Wan, Jian Jun Jia, Elisabeth Mercier, Ocean Thakali, Lakshmi Pisharody, Nada Hegazy, Sean E. Stephenson, Wanting Fang, Tram B. Nguyen, Nathan T. Ramsay, R. Michael Mckay, Ryland Corchis-Scott, Alex E. Mackenzie Sep 2023

Rapidly Developed, Optimized, And Applied Wastewater Surveillance System For Real-Time Monitoring Of Low-Incidence, High-Impact Mpox Outbreak, Chandler H. Wong, Zhihao Zhang, Walaa Eid, Julio Plaza-Diaz, Pervez Kabir, Shen Wan, Jian Jun Jia, Elisabeth Mercier, Ocean Thakali, Lakshmi Pisharody, Nada Hegazy, Sean E. Stephenson, Wanting Fang, Tram B. Nguyen, Nathan T. Ramsay, R. Michael Mckay, Ryland Corchis-Scott, Alex E. Mackenzie

Great Lakes Institute for Environmental Research Publications

Recent MPOX viral resurgences have mobilized public health agencies around the world. Recognizing the significant risk of MPOX outbreaks, large-scale human testing, and immunization campaigns have been initiated by local, national, and global public health authorities. Recently, traditional clinical surveillance campaigns for MPOX have been complemented with wastewater surveillance (WWS), building on the effectiveness of existing wastewater programs that were built to monitor SARS-CoV-2 and recently expanded to include influenza and respiratory syncytial virus surveillance in wastewaters. In the present study, we demonstrate and further support the finding that MPOX viral fragments agglomerate in the wastewater solids fraction. Furthermore, this …


Actionable Wastewater Surveillance: Application To A University Residence Hall During The Transition Between Delta And Omicron Resurgences Of Covid-19, Ryland Corchis-Scott, Qiudi Geng, Abdul Monem Al Riahi, Amr Labak, Ana Podadera, Kenneth K.S. Ng, Lisa A. Porter, Yufeng Tong, Jess C. Dixon, Sherri Lynne Menard, Rajesh Seth, R. Michael Mckay Jan 2023

Actionable Wastewater Surveillance: Application To A University Residence Hall During The Transition Between Delta And Omicron Resurgences Of Covid-19, Ryland Corchis-Scott, Qiudi Geng, Abdul Monem Al Riahi, Amr Labak, Ana Podadera, Kenneth K.S. Ng, Lisa A. Porter, Yufeng Tong, Jess C. Dixon, Sherri Lynne Menard, Rajesh Seth, R. Michael Mckay

Great Lakes Institute for Environmental Research Publications

Wastewater surveillance has gained traction during the COVID-19 pandemic as an effective and non-biased means to track community infection. While most surveillance relies on samples collected at municipal wastewater treatment plants, surveillance is more actionable when samples are collected “upstream” where mitigation of transmission is tractable. This report describes the results of wastewater surveillance for SARS-CoV-2 at residence halls on a university campus aimed at preventing outbreak escalation by mitigating community spread. Another goal was to estimate fecal shedding rates of SARS-CoV-2 in a non-clinical setting. Passive sampling devices were deployed in sewer laterals originating from residence halls at a …


Comparison Of Approaches To Quantify Sars-Cov-2 In Wastewater Using Rt-Qpcr: Results And Implications From A Collaborative Inter-Laboratory Study In Canada, Alex H.S. Chik, Melissa B. Glier, Mark Servos, Chand S. Mangat, Xiao Li Pang, Yuanyuan Qiu, Patrick M. D'Aoust, Jean Baptiste Burnet, Robert Delatolla, Sarah Dorner, Qiudi Geng, John P. Giesy, Robert Mike Mckay, Michael R. Mulvey, Natalie Prystajecky, Nivetha Srikanthan, Yuwei Xie, Bernadette Conant Sep 2021

Comparison Of Approaches To Quantify Sars-Cov-2 In Wastewater Using Rt-Qpcr: Results And Implications From A Collaborative Inter-Laboratory Study In Canada, Alex H.S. Chik, Melissa B. Glier, Mark Servos, Chand S. Mangat, Xiao Li Pang, Yuanyuan Qiu, Patrick M. D'Aoust, Jean Baptiste Burnet, Robert Delatolla, Sarah Dorner, Qiudi Geng, John P. Giesy, Robert Mike Mckay, Michael R. Mulvey, Natalie Prystajecky, Nivetha Srikanthan, Yuwei Xie, Bernadette Conant

Great Lakes Institute for Environmental Research Publications

Detection of SARS-CoV-2 RNA in wastewater is a promising tool for informing public health decisions during the COVID-19 pandemic. However, approaches for its analysis by use of reverse transcription quantitative polymerase chain reaction (RT-qPCR) are still far from standardized globally. To characterize inter- and intra-laboratory variability among results when using various methods deployed across Canada, aliquots from a real wastewater sample were spiked with surrogates of SARS-CoV-2 (gamma-radiation inactivated SARS-CoV-2 and human coronavirus strain 229E [HCoV-229E]) at low and high levels then provided “blind” to eight laboratories. Concentration estimates reported by individual laboratories were consistently within a 1.0-log10 range for …