SrasV1, PubMed, Corpus, bibRecord, 001951

Survival of surrogate coronaviruses in water.

Identifieur interne : 001951 ( PubMed/Corpus ); précédent : 001950; suivant : 001952

Survival of surrogate coronaviruses in water.

Auteurs : Lisa Casanova ; William A. Rutala ; David J. Weber ; Mark D. Sobsey

Source :

Water research [ 0043-1354 ] ; 2009.

RBID : pubmed:19246070

English descriptors

KwdEn :
- Murine hepatitis virus (isolation & purification), Murine hepatitis virus (physiology), Sewage (virology), Transmissible gastroenteritis virus (isolation & purification), Transmissible gastroenteritis virus (physiology), Water Microbiology.
MESH :
- chemical , virology : Sewage.
- isolation & purification : Murine hepatitis virus, Transmissible gastroenteritis virus.
- physiology : Murine hepatitis virus, Transmissible gastroenteritis virus.
- Water Microbiology.

Abstract

The emergence of a previously unknown coronavirus infection, Severe Acute Respiratory Syndrome (SARS), demonstrated that fecally contaminated liquid droplets are a potential vehicle for the spread of a respiratory virus to large numbers of people. To assess potential risks from this pathway, there is a need for surrogates for SARS coronavirus to provide representative data on viral survival in contaminated water. This study evaluated survival of two surrogate coronaviruses, transmissible gastroenteritis (TGEV) and mouse hepatitis (MHV). These viruses remained infectious in water and sewage for days to weeks. At 25 degrees C, time required for 99% reduction in reagent-grade water was 22 days for TGEV and 17 days for MHV. In pasteurized settled sewage, times for 99% reduction were 9 days for TGEV and 7 days for MHV. At 4 degrees C, there was <1 log(10) infectivity decrease for both viruses after four weeks. Coronaviruses can remain infectious for long periods in water and pasteurized settled sewage, suggesting contaminated water is a potential vehicle for human exposure if aerosols are generated.

DOI: 10.1016/j.watres.2009.02.002
PubMed: 19246070

Links to Exploration step

pubmed:19246070

Le document en format XML

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<author><name sortKey="Casanova, Lisa" sort="Casanova, Lisa" uniqKey="Casanova L" first="Lisa" last="Casanova">Lisa Casanova</name>
<affiliation><nlm:affiliation>Department of Environmental Sciences and Engineering, University of North Carolina, Chapel Hill, NC 27599, USA. casanova@email.unc.edu</nlm:affiliation>
</affiliation>
</author>
<author><name sortKey="Rutala, William A" sort="Rutala, William A" uniqKey="Rutala W" first="William A" last="Rutala">William A. Rutala</name>
</author>
<author><name sortKey="Weber, David J" sort="Weber, David J" uniqKey="Weber D" first="David J" last="Weber">David J. Weber</name>
</author>
<author><name sortKey="Sobsey, Mark D" sort="Sobsey, Mark D" uniqKey="Sobsey M" first="Mark D" last="Sobsey">Mark D. Sobsey</name>
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<author><name sortKey="Weber, David J" sort="Weber, David J" uniqKey="Weber D" first="David J" last="Weber">David J. Weber</name>
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<front><div type="abstract" xml:lang="en">The emergence of a previously unknown coronavirus infection, Severe Acute Respiratory Syndrome (SARS), demonstrated that fecally contaminated liquid droplets are a potential vehicle for the spread of a respiratory virus to large numbers of people. To assess potential risks from this pathway, there is a need for surrogates for SARS coronavirus to provide representative data on viral survival in contaminated water. This study evaluated survival of two surrogate coronaviruses, transmissible gastroenteritis (TGEV) and mouse hepatitis (MHV). These viruses remained infectious in water and sewage for days to weeks. At 25 degrees C, time required for 99% reduction in reagent-grade water was 22 days for TGEV and 17 days for MHV. In pasteurized settled sewage, times for 99% reduction were 9 days for TGEV and 7 days for MHV. At 4 degrees C, there was <1 log(10) infectivity decrease for both viruses after four weeks. Coronaviruses can remain infectious for long periods in water and pasteurized settled sewage, suggesting contaminated water is a potential vehicle for human exposure if aerosols are generated.</div>
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Survival of surrogate coronaviruses in water.

Survival of surrogate coronaviruses in water.

Source :

English descriptors

Abstract

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

Pour générer des pages wiki