Airborne SARS-CoV-2 Is Rapidly Inactivated by Simulated Sunlight.
J Infect Dis
; 222(4): 564-571, 2020 07 23.
Article
en En
| MEDLINE
| ID: mdl-32525979
ABSTRACT
Aerosols represent a potential transmission route of COVID-19. This study examined effect of simulated sunlight, relative humidity, and suspension matrix on stability of SARS-CoV-2 in aerosols. Simulated sunlight and matrix significantly affected decay rate of the virus. Relative humidity alone did not affect the decay rate; however, minor interactions between relative humidity and other factors were observed. Mean decay rates (± SD) in simulated saliva, under simulated sunlight levels representative of late winter/early fall and summer were 0.121â
±â
0.017 min-1 (90% loss, 19 minutes) and 0.306â
±â
0.097 min-1 (90% loss, 8 minutes), respectively. Mean decay rate without simulated sunlight across all relative humidity levels was 0.008â
±â
0.011 min-1 (90% loss, 286 minutes). These results suggest that the potential for aerosol transmission of SARS-CoV-2 may be dependent on environmental conditions, particularly sunlight. These data may be useful to inform mitigation strategies to minimize the potential for aerosol transmission.
Palabras clave
Texto completo:
1
Colección:
01-internacional
Banco de datos:
MEDLINE
Asunto principal:
Neumonía Viral
/
Luz Solar
/
Infecciones por Coronavirus
/
Microbiología del Aire
/
Betacoronavirus
Tipo de estudio:
Diagnostic_studies
/
Prognostic_studies
Límite:
Animals
Idioma:
En
Revista:
J Infect Dis
Año:
2020
Tipo del documento:
Article
País de afiliación:
Estados Unidos