SrasV1, Main, Exploration, bibRecord, 002F05

Survival of surrogate coronaviruses in water

Identifieur interne : 002F05 ( Main/Exploration ); précédent : 002F04; suivant : 002F06

Survival of surrogate coronaviruses in water

Auteurs : Lisa Casanova [États-Unis] ; William A. Rutala [États-Unis] ; David J. Weber [États-Unis] ; Mark D. Sobsey [États-Unis]

Source :

Water research : (Oxford) [ 0043-1354 ] ; 2009.

RBID : Pascal:09-0236426

Descripteurs français

KwdFr :
- Eaux d'égout (virologie), Microbiologie de l'eau, Virus de l'hépatite murine (isolement et purification), Virus de l'hépatite murine (physiologie), Virus de la gastroentérite transmissible (isolement et purification), Virus de la gastroentérite transmissible (physiologie).
MESH :
- isolement et purification : Virus de l'hépatite murine, Virus de la gastroentérite transmissible.
- physiologie : Virus de l'hépatite murine, Virus de la gastroentérite transmissible.
- virologie : Eaux d'égout.
Pascal (Inist)
- Microbiologie de l'eau, Pollution eau, Gouttelette, Eau usée, Santé publique, Aérosol, Santé et environnement, Pollution air.
Wicri :
- topic : Eau usée, Santé publique, Aérosol.

English descriptors

KwdEn :
- Aerosols, Air pollution, Droplet, Health and environment, Murine hepatitis virus (isolation & purification), Murine hepatitis virus (physiology), Public health, Sewage (virology), Transmissible gastroenteritis virus (isolation & purification), Transmissible gastroenteritis virus (physiology), Waste water, Water Microbiology, Water pollution.
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 °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 °C, there was <1 log₁₀ 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.

Affiliations:

Le document en format XML

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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 °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 °C, there was <1 log<sub>10</sub>
 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>
</front>
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Serveur d'exploration SRAS

Survival of surrogate coronaviruses in water

Survival of surrogate coronaviruses in water

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

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