Scientific paper claiming smokers less likely to acquire Covid retracted over tobacco industry links

Analysis of the paper identified several biases ‘which may give the false impression that smoking is protective in Covid-19’

A scientific paper claiming current smokers are 23% less likely to be diagnosed with Covid-19 compared to non-smokers has been retracted by a medical journal, after it was discovered some of the paper’s authors had financial links to the tobacco industry.

The World Health Organization has warned that because smoking impairs lung function, there is an increased risk of severe symptoms if respiratory infections, including coronaviruses, are acquired by smokers. Covid-19 is an infectious disease that primarily attacks the lungs.

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