The transmission of SARS-CoV-2 is likely comodulated by temperature and by relative humidity.
Journal
PloS one
ISSN: 1932-6203
Titre abrégé: PLoS One
Pays: United States
ID NLM: 101285081
Informations de publication
Date de publication:
2021
2021
Historique:
received:
18
08
2020
accepted:
12
07
2021
entrez:
29
7
2021
pubmed:
30
7
2021
medline:
7
8
2021
Statut:
epublish
Résumé
Inferring the impact of climate upon the transmission of SARS-CoV-2 has been confounded by variability in testing, unknown disease introduction rates, and changing weather. Here we present a data model that accounts for dynamic testing rates and variations in disease introduction rates. We apply this model to data from Colombia, whose varied and seasonless climate, central port of entry, and swift, centralized response to the COVID-19 pandemic present an opportune environment for assessing the impact of climate factors on the spread of COVID-19. We observe strong attenuation of transmission in climates with sustained daily temperatures above 30 degrees Celsius and simultaneous mean relative humidity below 78%, with outbreaks occurring at high humidity even where the temperature is high. We hypothesize that temperature and relative humidity comodulate the infectivity of SARS-CoV-2 within respiratory droplets.
Identifiants
pubmed: 34324570
doi: 10.1371/journal.pone.0255212
pii: PONE-D-20-25864
pmc: PMC8321224
doi:
Types de publication
Journal Article
Research Support, N.I.H., Extramural
Research Support, Non-U.S. Gov't
Research Support, U.S. Gov't, Non-P.H.S.
Langues
eng
Sous-ensembles de citation
IM
Pagination
e0255212Subventions
Organisme : NCI NIH HHS
ID : R01 CA243547
Pays : United States
Organisme : NIH HHS
ID : 1R01 CA243547-01A1
Pays : United States
Déclaration de conflit d'intérêts
The authors have declared that no competing interests exist.
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