Pulmonologist Dr. Fred Hom joined us to discuss an observational study this year related to smokers and COVID. Does smoking prevent COVID infection? How much could COVID affect smokers' health? To turn on Chinese subtitles, click the "CC" icon in the video player and choose "Chinese."

Related Links:

• About Fred Hom, M.D.

• Smoking Cessation

• COVID-19 & Vaccination

• Health Education Topics

• Impact of Tobacco Smoking on the risk of COVID-19.A large scale retrospective cohort study