Smoking and the Risk of Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) Infection.
Sang Chul LeeKang Ju SonDong Wook KimChang Hoon HanYoon Jung ChoiSeong Woo KimSeon Cheol ParkPublished in: Nicotine & tobacco research : official journal of the Society for Research on Nicotine and Tobacco (2021)
It is unclear whether smokers are more vulnerable to coronavirus disease 2019. In this large nationwide study in South Korea, smoking tended to lower the risk of infection with severe acute respiratory syndrome coronavirus 2. However, these findings should be interpreted with caution, and further confirmatory studies are required.