A study in the British Medical Journal published in January 2021 showed that the proportion of smokers among people with Covid-19 was 3% lower than the proportion of smokers in the English population. In addition, an AP-HP study showed that nicotine had a preventive effect on a smoker's ability to contract the coronavirus, compared with a non-smoker. However, all these studies also showed a significant increase in the frequency of more severe symptoms in smokers with Covid-19. The WHO points out that smoking also increases the risk of transmission of the virus from the hand to the mucous membranes of the mouth, thereby increasing the risk of contracting Covid-19.

For further information, we recommend that you consult :
- Tabac info service website
- The Santé Publique France website and its section on tobacco
- The "Amelie" health insurance website and its thematic file on tobacco

And more specifically, the resources you can consult to stop smoking:

- Tabac info service: the application that suggests ways to stop smoking, which you can download here.
- 3889: a free telephone service staffed by tobaccologists, Monday to Saturday, 8am to 8pm.
- A tobaccologist: a professional who can help you quit under the right conditions, easily found on the tabac info service website here