Association Between Youth Smoking, Electronic Cigarette Use, and Coronavirus Disease 2019 - ScienceDirect
https://www.sciencedirect.com/science/article/pii/S1054139X20303992
Smoking increases SARS-CoV-2 receptors in the lung - Cold Spring Harbor Laboratory
https://www.cshl.edu/smoking-increases-sars-cov-2-receptors-in-the-lung/
Stanford study reveals how vaping influences coronavirus risks
https://www.inverse.com/mind-body/vaping-coronavirus-risk-explained
Vaping Links to Covid Risk Are Becoming Clear - The New York Times
https://www.nytimes.com/2020/09/04/health/covid-vaping-smoking.html