This commentary addresses the state of the evidence on tobacco products, nicotine, and COVID-19. The evidence of the effects of smoking on respiratory infections and the immune system in general are examined and the current understanding of tobacco products and risk for SARS-CoV-2 infection and the course of COVID-19 is addressed.
© The Author(s) 2020. Published by Oxford University Press on behalf of the Society for Research on Nicotine and Tobacco.