Does smoking affect your chances of getting COVID-19? new study investigates
NCT ID NCT04583761
First seen Oct 31, 2025 · Last updated Jun 23, 2026 · Updated 34 times
Summary
This study looked at whether smoking or using nicotine products changes the risk of catching COVID-19. Researchers sent surveys to over 600 healthcare workers who had been tested for the virus. The goal was to see if current or past tobacco and nicotine use was linked to testing positive or negative for COVID-19.
Disclaimer
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This is a summary of
the original study
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Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Genom att skicka in godkänner du våra Användarvillkor
Contacts and locations
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Genom att skicka in godkänner du våra Användarvillkor
Locations
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Hotel-Dieu Hospital
Paris, 75004, France
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
What this could lead to
If this study finds a link, it could help shape advice on smoking and nicotine use during the pandemic.
What could go wrong
This is an observational study based on questionnaires, so it cannot prove cause and effect. Results may be influenced by other factors.
Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.