So what do world health experts say? Are smokers less likely to contract the virus?
No. According to the World Health Organization (WHO), those who smoke are likely to be more vulnerable to infection.
"Smokers may also already have lung disease or reduced lung capacity which would greatly increase the risk of serious illness."
"Conditions that increase oxygen needs or reduce the ability of the body to use it properly will put patients at higher risk of serious lung conditions such as pneumonia."
https://www.euronews.com/2020/05/07/covid-19-and-smoking-what-does-the-who-sayА все походит от французской статьи про то, что табачный дым сложный и малоизученый.
Очень похоже на то, как австралийцы решили что в России низкая заболеваемость из-за прививки, которую делают в детстве всем русским, но не делают в мире, и начали ее тестировать.