A Study on the Impact of Sunlight, Ultraviolet Radiation, and Temperature Variability on COVID-19 Mortality: Spatiotemporal Evidence from Small Countries and U.S. States and Territories

A Study on the Impact of Sunlight, Ultraviolet Radiation, and Temperature Variability on COVID-19 Mortality: Spatiotemporal Evidence from Small Countries and U.S. States and Territories
Razi et al., COVID, doi:10.3390/covid6040056
https://c19early.org/razi.html