SARS-CoV-2 in river water: Implications in low sanitation countries.

The Science of the Total Environment
Laura Guerrero-LatorreBlanca Rios-Touma

Abstract

Since the beginning of COVID-19 pandemic studies on viral shedding have reported that this virus is excreted in feces in most patients. High viral loads are found at the sewage pipeline or at the entrance of wastewater treatment plants from cities where the number of COVID-19 cases are significant. In Quito (Ecuador) as in many other cities worldwide, wastewater is directly discharged into natural waters. The aim of this study was to evaluate SARS-CoV-2 presence in urban streams from a low sanitation context. Three river locations along the urban rivers of Quito were sampled on the 5th of June during a peak of COVID-19 cases. River samples were evaluated for water quality parameters and afterwards, concentrated for viral analysis using skimmed milk flocculation method. The viral concentrates were quantified for SARS-CoV-2 (N1 and N2 target regions) and Human Adenovirus as a human viral indicator. The results showed that SARS-CoV-2 was detected for both target regions in all samples analyzed in a range of 2,91E+05 to 3,19E+06 GC/L for N1 and from 2,07E+05 to 2,22E+06 GC/L for N2. The high values detected in natural waters from a low sanitation region have several implications in health and ecology that should be further assessed.

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Citations

Dec 19, 2020·The Science of the Total Environment·Alba Pérez-CataluñaGloria Sánchez
Dec 4, 2020·The Science of the Total Environment·Enric Cuevas-FerrandoGloria Sánchez
Oct 5, 2020·Environmental Research·Hai Nguyen TranHuan-Ping Chao
Feb 11, 2021·Environmental Science & Technology·Yi-Nan LiuXian-Wei Liu
Dec 17, 2020·International Journal of Environmental Research and Public Health·Maria de Lourdes Aguiar-OliveiraMarilda M Siqueira
Jan 30, 2021·The Science of the Total Environment·Natalia Wiktorczyk-KapischkeKrzysztof Skowron
Jan 15, 2021·Chemosphere·Ernestine AtanganaAnthony R Turton
Feb 18, 2021·Reviews on Environmental Health·Hatam GodiniHooshyar Hossini
Feb 22, 2021·The Science of the Total Environment·Alexandre GiacobboMaria Norberta de Pinho
Mar 2, 2021·Chemical Engineering Journal·Xuan LiGuangming Jiang
Mar 15, 2021·The Science of the Total Environment·Marion DesdouitsFrançoise S Le Guyader
Mar 15, 2021·Water Research·Leonardo Camilo de OliveiraCésar Rossas Mota
Mar 19, 2021·Environmental Science and Pollution Research International·Deepak PanchalSukdeb Pal
Mar 20, 2021·Environmental Science and Pollution Research International·Mohammad TanhaeiMohammad Reza Zali
Apr 22, 2021·ACS ES&T Water·Jamie D ShutlerRavinder S Dahiya
Apr 18, 2021·The Science of the Total Environment·Stoimir KolarevićMomir Paunović
May 14, 2021·The Science of the Total Environment·David PoloJesús L Romalde
Jun 3, 2021·International Journal of Environmental Research and Public Health·Tomáš MackuľakAndrea Butor Škulcová
Jun 18, 2021·The Science of the Total Environment·Vu Duc CanhHiroyuki Katayama
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Jul 9, 2021·Food and Environmental Virology·Gislaine FongaroMaria Célia da Silva Lanna
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Jul 13, 2021·The Science of the Total Environment·Zhongchuang LiuNatalia Wiktorczyk-Kapischke
Jul 23, 2021·Journal of the American Chemical Society·Fangyu ZhangJoseph Wang
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Methods Mentioned

BETA
PCR

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