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During the coronavirus disease (COVID-19) pandemic, caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), some people are at a higher risk of developing severe complications.

Some of these include the elderly, those with underlying health conditions, and people with weakened immune systems. Previous studies have also tied cigarette smoking as a risk factor for SARS-CoV-2 infection.

With concerns about cigarette smoking being a risk factor for severe illness from COVID-19, understanding nicotine and tobacco use patterns is essential for preventive efforts.