How does smoking increase the risk of contracting COVID-19?

What are the studies that show that smoking tobacco and electronic cigarettes increases the risk of contracting COVID-19? explains Dr. Eldina Nizamić. You can follow the series on the YouTube channel "60 Seconds About Corona," as well as on the Facebook page @BHAAAS and Instagram @bhaaas_usa_bih. The series is supported by the Government of Switzerland. The content of the publication, as well as the findings presented in it, do not necessarily reflect the views of the Government of Switzerland.

https://www.youtube.com/watch?v=2m8mQ_qu6AM