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Review
. 2021 Jul 23;193(8):508.
doi: 10.1007/s10661-021-09303-8.

Coronavirus: occurrence, surveillance, and persistence in wastewater

Snehalatha Basavaraju  1 , Jamuna Bai Aswathanarayan  2 , Madhu Basavegowda  3 , Balasubramanian Somanathan  1
Affiliations
Review

Coronavirus: occurrence, surveillance, and persistence in wastewater

Snehalatha Basavaraju et al. Environ Monit Assess. .

Abstract

The coronavirus disease (COVID-19) outbreak reported in China in December 2019 has spread throughout the world. The WHO declared it as a pandemic in March 2020. The pandemic severely affected public health and the global economy. Many studies conducted on the coronavirus have helped us to elucidate its pathogenicity and pathophysiology. However, it is important to study the behavior of the pathogen in the environment to develop effective control measures. While studying the persistence and transmission of viruses in drinking water and wastewater systems, a low concentration of coronavirus and its nucleic acids have been detected in municipal wastewaters. This could be due to their high susceptibilities to degradation in aqueous environments. Epidemiological study on coronaviruses in wastewater will serve two purposes, i.e., in early detection of outbreak and in identifying asymptomatic carriers. In such cases, the epidemiological study will help in early detection of the presence of the virus in the community. Secondly, it will help in knowing if there are asymptomatic carriers, as such people do not show any signs of symptoms but shed the viruses in feces. The present review focuses on the epidemiological surveillance of wastewater for coronaviruses, as in recent years these are increasingly causing global pandemics. In this review we have discussed, the four pertinent areas of coronavirus study: (1) occurrence of coronavirus in wastewater, (2) wastewater based epidemiological surveillance of coronaviruses, (3) epidemiological surveillance tools used for detection of coronaviruses in sewage, and (4) persistence and sustainability of coronaviruses in wastewater.

Keywords: COVID-19; Coronavirus; Environmental monitoring; Epidemiological surveillance; Pandemic; Wastewater.

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Conflict of interest statement

The authors declare no competing interests.

Figures

Fig. 1
Fig. 1
Timeline of detection and characterization of coronavirus
Fig. 2
Fig. 2
Molecular platforms used for clinical evaluation of SARS-CoV-2 vaccines
See this image and copyright information in PMC

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