Does smoking cannabis put you at higher risk for the coronavirus? The evidence is not yet in but some doctors believe it might. It’s not the cannabis per se; it’s the lung irritation that smoking can cause. As one doctor says: “Smoking doesn’t cause the flu, vaping doesn’t cause the flu. But people who smoke or are exposed to secondhand smoke are more susceptible to getting sick.”
https://www.sfweekly.com/news/does-smoking-cannabis-put-you-at-higher-risk-for-the-coronavirus/