Potential threat of SARS-CoV-2 in coastal waters.

Ecotoxicology and Environmental Safety
Weijun GuoTiaojian Xu

Abstract

A novel coronavirus (SARS-CoV-2) has caused more than 150 million confirmed infections worldwide, while it is not clear whether it affects the coastal waters. This paper proposed a biophysical model based on 16 scenarios with different virus half-life parameters to assess potential viral contamination from 25 municipal sewage outfalls into the Bohai Sea. Viral concentration maps showing spatial and temporal changes are provided based on a biophysical model under multiple scenarios. Results demonstrate that adjacent sea areas can become exposed to SARS-CoV-2 via water-borne transport from outfalls, with a higher risk in winter, because SARS-CoV-2 can be highly stable at low temperature. As coastal waters are the ultimate sink for wastewater and the epidemic will last for long time, this work is of great importance to raise awareness, identify vulnerable areas for marine mammals, and avoid the risk of exposure of tourists at bathing beach.

References

Feb 11, 2020·Trends in Parasitology·Danielle L CantrellCrawford W Revie
Feb 23, 2020·The Lancet. Gastroenterology & Hepatology·Charleen YeoDanson Yeo
May 29, 2020·The Science of the Total Environment·Giuseppina La RosaElisabetta Suffredini
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Nov 9, 2020·The Science of the Total Environment·Sabateeshan MathavarajahGraham Dellaire
Mar 28, 2021·Marine Pollution Bulletin·Maria Adamantia Efstratiou, Ourania Tzoraki

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