Survival of surrogate coronaviruses in water
Identifieur interne : 000218 ( PascalFrancis/Corpus ); précédent : 000217; suivant : 000219Survival of surrogate coronaviruses in water
Auteurs : Lisa Casanova ; William A. Rutala ; David J. Weber ; Mark D. SobseySource :
- Water research : (Oxford) [ 0043-1354 ] ; 2009.
Descripteurs français
- Pascal (Inist)
English descriptors
- KwdEn :
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.
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Format Inist (serveur)
NO : | PASCAL 09-0236426 INIST |
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ET : | Survival of surrogate coronaviruses in water |
AU : | CASANOVA (Lisa); RUTALA (William A.); WEBER (David J.); SOBSEY (Mark D.) |
AF : | Department of Environmental Sciences and Engineering, McGavran-Greenberg Hall, University of North Carolina Chapel Hill/Chapel Hill, NC 27599/Etats-Unis (1 aut., 4 aut.); Department of Medicine, 1001 Old Clinic Building, University of North Carolina Chapel Hill/Chapel Hill, NC 27599/Etats-Unis (2 aut., 3 aut.) |
DT : | Publication en série; Niveau analytique |
SO : | Water research : (Oxford); ISSN 0043-1354; Coden WATRAG; Royaume-Uni; Da. 2009; Vol. 43; No. 7; Pp. 1893-1898; Bibl. 3/4 p. |
LA : | Anglais |
EA : | 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. |
CC : | 001D16A; 001D16B06 |
FD : | Pollution eau; Gouttelette; Eau usée; Santé publique; Aérosol; Santé et environnement; Pollution air |
ED : | Water pollution; Droplet; Waste water; Public health; Aerosols; Health and environment; Air pollution |
SD : | Contaminación agua; Gotita; Agua residual; Salud pública; Aerosol; Salud y medio ambiente; Contaminación aire |
LO : | INIST-8940A.354000184977850110 |
ID : | 09-0236426 |
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Pascal:09-0236426Le 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>
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<EA>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>
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