UVB (290-315 nm) inactivation of the SARS CoV-2 virus as a function of the standard UV index.

ABSTRACT: The inactivation time for the SARS CoV-2 virus, mostly by a portion of UVB spectrum (290-315 nm) in sunlight, has been estimated using radiative transfer calculations and a relative wavelength sensitivity virus inactivation action spectrum A_LS. The action spectrum is adjusted for the SARS CoV-2 virus using a derived UV dose D₉₀ = 3.2 J/m² for 90% inactivation to match laboratory results for the inactivation of SARS CoV-2 virus droplets on steel mesh. Estimation of the time for 90% inactivation T₉₀ at a specific geographic location can be simplified using the commonly published or calculated UV index (UVI). The use of UVI has the advantage that information on the amount of ozone, the site altitude, and the degree of cloud cover are built into the

SUBMITTER: Herman J 

PROVIDER: S-EPMC8567976 | biostudies-literature | 2022

REPOSITORIES: biostudies-literature