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First detection of SARS-CoV-2 genetic material in the vicinity of COVID-19 isolation Centre in Bangladesh: Variation along the sewer network
Noakhali Sci & Technol Univ, Dept Microbiol, Noakhali 3814, Bangladesh..
Noakhali Sci & Technol Univ, Dept Microbiol, Noakhali 3814, Bangladesh..
Indian Inst Technol, Discipline Earth Sci, Gandhinagar 382355, Gujarat, India..
North South Univ, NSU Genome Res Inst NGRI, Dept Biochem & Microbiol, Dhaka 1229, Bangladesh..
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2021 (English)In: Science of the Total Environment, ISSN 0048-9697, E-ISSN 1879-1026, Vol. 776, article id 145724Article in journal (Refereed) Published
Abstract [en]

We made the first and successful attempt to detect SARS-CoV-2 genetic material in the vicinity wastewaters of an isolation centre i.e. Shaheed Bhulu Stadium, situated at Noakhali, Southeastern Bangladesh. Owing to the fact that isolation centre, in general, always contained a constant number of 200 COVID-19 patients, the prime objective of the study was to check if several drains carrying RNA of coronavirus are actually getting diluted or accumulated along with the sewage network. Our finding suggested that while the temporal variation of the genetic load decreased in small drains over the span of 50 days, the main sewer exhibited accumulation of SARS-CoV-2 RNA. Other interesting finding displays that probably distance of sampling location in meters is not likely to have a significant impact on the detected gene concentration, although the quantity of the RNA extracted in the downstream of the drain was higher. These findings are of immense value from the perspective of wastewater surveillance of COVID-19, as they largely imply that we do not need to monitor every wastewater system, and probably major drains monitoring may illustrate the city health. Perhaps, we are reporting the accumulation of SARS-CoV-2 genetic material along with the sewer network i.e. from primary to tertiary drains. The study sought further data collection in this line to simulate conditions prevailed in most of the developing countries and to shed further light on decay/accumulation processes of the genetic load of the SARS-COV-2.

Place, publisher, year, edition, pages
Elsevier BV , 2021. Vol. 776, article id 145724
Keywords [en]
SARS-COV-2, Environmental surveillance, Sewage waste, Isolation Centre, COVID-19
National Category
Environmental Sciences
Identifiers
URN: urn:nbn:se:kth:diva-296675DOI: 10.1016/j.scitotenv.2021.145724ISI: 000647703500004PubMedID: 33652314Scopus ID: 2-s2.0-85101605124OAI: oai:DiVA.org:kth-296675DiVA, id: diva2:1565681
Note

QC 20210614

Available from: 2021-06-14 Created: 2021-06-14 Last updated: 2022-06-25Bibliographically approved

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Bhattacharya, ProsunIslam, MD Tahmidul

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