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SARS-CoV-2 in environmental perspective: Occurrence, persistence, surveillance, inactivation and challenges.

Authors
  • Mohan, S Venkata1, 2
  • Hemalatha, Manupati1, 2
  • Kopperi, Harishankar1
  • Ranjith, I1
  • Kumar, A Kiran1, 3
  • 1 Bioengineering and Environmental Sciences Lab, Department of Energy and Environmental Engineering (DEEE), CSIR-Indian Institute of Chemical Technology (CSIR-IICT), Hyderabad 500007, India. , (India)
  • 2 Academy of Scientific and Innovative Research (AcSIR), CSIR-Indian Institute of Chemical Technology (CSIR-IICT) Campus, Hyderabad 500007, India. , (India)
  • 3 CSIR-Indian Institute of Chemical Technology (CSIR-IICT) Dispensary, Hyderabad 500007, India. , (India)
Type
Published Article
Journal
Chemical Engineering Journal
Publisher
Elsevier
Publication Date
Feb 01, 2021
Volume
405
Pages
126893–126893
Identifiers
DOI: 10.1016/j.cej.2020.126893
PMID: 32901196
Source
Medline
Keywords
Language
English
License
Unknown

Abstract

The unprecedented global spread of the severe acute respiratory syndrome (SARS) caused by SARS-CoV-2 is depicting the distressing pandemic consequence on human health, economy as well as ecosystem services. So far novel coronavirus (CoV) outbreaks were associated with SARS-CoV-2 (2019), middle east respiratory syndrome coronavirus (MERS-CoV, 2012), and SARS-CoV-1 (2003) events. CoV relates to the enveloped family of Betacoronavirus (βCoV) with positive-sense single-stranded RNA (+ssRNA). Knowing well the persistence, transmission, and spread of SARS-CoV-2 through proximity, the faecal-oral route is now emerging as a major environmental concern to community transmission. The replication and persistence of CoV in the gastrointestinal (GI) tract and shedding through stools is indicating a potential transmission route to the environment settings. Despite of the evidence, based on fewer reports on SARS-CoV-2 occurrence and persistence in wastewater/sewage/water, the transmission of the infective virus to the community is yet to be established. In this realm, this communication attempted to review the possible influx route of the enteric enveloped viral transmission in the environmental settings with reference to its occurrence, persistence, detection, and inactivation based on the published literature so far. The possibilities of airborne transmission through enteric virus-laden aerosols, environmental factors that may influence the viral transmission, and disinfection methods (conventional and emerging) as well as the inactivation mechanism with reference to the enveloped virus were reviewed. The need for wastewater epidemiology (WBE) studies for surveillance as well as for early warning signal was elaborated. This communication will provide a basis to understand the SARS-CoV-2 as well as other viruses in the context of the environmental engineering perspective to design effective strategies to counter the enteric virus transmission and also serves as a working paper for researchers, policy makers and regulators. © 2020 Elsevier B.V. All rights reserved.

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