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Survival of surrogate coronaviruses in water

Identifieur interne : 000218 ( PascalFrancis/Corpus ); précédent : 000217; suivant : 000219

Survival of surrogate coronaviruses in water

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

Source :

RBID : Pascal:09-0236426

Descripteurs français

English descriptors

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.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

pA  
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A02 01      @0 WATRAG
A03   1    @0 Water res. : (Oxf.)
A05       @2 43
A06       @2 7
A08 01  1  ENG  @1 Survival of surrogate coronaviruses in water
A11 01  1    @1 CASANOVA (Lisa)
A11 02  1    @1 RUTALA (William A.)
A11 03  1    @1 WEBER (David J.)
A11 04  1    @1 SOBSEY (Mark D.)
A14 01      @1 Department of Environmental Sciences and Engineering, McGavran-Greenberg Hall, University of North Carolina Chapel Hill @2 Chapel Hill, NC 27599 @3 USA @Z 1 aut. @Z 4 aut.
A14 02      @1 Department of Medicine, 1001 Old Clinic Building, University of North Carolina Chapel Hill @2 Chapel Hill, NC 27599 @3 USA @Z 2 aut. @Z 3 aut.
A20       @1 1893-1898
A21       @1 2009
A23 01      @0 ENG
A43 01      @1 INIST @2 8940A @5 354000184977850110
A44       @0 0000 @1 © 2009 INIST-CNRS. All rights reserved.
A45       @0 3/4 p.
A47 01  1    @0 09-0236426
A60       @1 P
A61       @0 A
A64 01  1    @0 Water research : (Oxford)
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C01 01    ENG  @0 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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C03 01  X  ENG  @0 Water pollution @5 01
C03 01  X  SPA  @0 Contaminación agua @5 01
C03 02  X  FRE  @0 Gouttelette @5 02
C03 02  X  ENG  @0 Droplet @5 02
C03 02  X  SPA  @0 Gotita @5 02
C03 03  X  FRE  @0 Eau usée @5 03
C03 03  X  ENG  @0 Waste water @5 03
C03 03  X  SPA  @0 Agua residual @5 03
C03 04  X  FRE  @0 Santé publique @5 04
C03 04  X  ENG  @0 Public health @5 04
C03 04  X  SPA  @0 Salud pública @5 04
C03 05  X  FRE  @0 Aérosol @5 05
C03 05  X  ENG  @0 Aerosols @5 05
C03 05  X  SPA  @0 Aerosol @5 05
C03 06  X  FRE  @0 Santé et environnement @5 35
C03 06  X  ENG  @0 Health and environment @5 35
C03 06  X  SPA  @0 Salud y medio ambiente @5 35
C03 07  X  FRE  @0 Pollution air @5 36
C03 07  X  ENG  @0 Air pollution @5 36
C03 07  X  SPA  @0 Contaminación aire @5 36
N21       @1 173
N44 01      @1 OTO
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Format Inist (serveur)

NO : PASCAL 09-0236426 INIST
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

Links to Exploration step

Pascal:09-0236426

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