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Emerg Infect Dis ; 29(5): 1033-1037, 2023 05.
Article in English | MEDLINE | ID: covidwho-2292751

ABSTRACT

SARS-CoV-2 transmits principally by air; contact and fomite transmission may also occur. Variants of concern are more transmissible than ancestral SARS-CoV-2. We found indications of possible increased aerosol and surface stability for early variants of concern, but not for the Delta and Omicron variants. Stability changes are unlikely to explain increased transmissibility.


Subject(s)
COVID-19 , SARS-CoV-2 , Humans , SARS-CoV-2/genetics , Respiratory Aerosols and Droplets
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