… smoking and progression of the infectious disease COVID-19. … smoking is a risk factor for
progression of COVID-19, with smokers having 1.91 times the odds of progression in COVID-…

… severe coronavirus disease 2019 (COVID-19). The impact of smoking on COVID-19 severity
… We aimed to rigorously and definitively quantify the effects of smoking on COVID-19 severity…

… have reported that smokers were under-represented in hospitalized COVID-19 cases and
… between smoking and susceptibility to COVID-19 infection as well as severity of COVID-19 …

… of current smokers in cohorts of coronavirus disease 2019 (COVID-19) patients, particularly
in light of our recent findings that the severe acute respiratory syndrome coronavirus 2 (SARS…

… ) is caused by severe acute respiratory syndrome coronavirus … link between smoking status
and severe COVID-19, others … relationship between smoking and clinical COVID-19 severity …

… a smoking paradox for COVID-19, with current smokers being … in COVID-19, are frequent
in chronic smokers implicating … in smokers versus nonsmokers with COVID-19 have been …

… COVID-19 in former smokers compared to never smokers is intriguing. The risk of severe
COVID-19 among former smokers is … smokers was 10 years older than that of current smokers, …

… Smoking status data should be systematically recorded and analyzed among COVID-19 …
-term benefit of quitting smoking among symptomatic COVID-19 smokers. Laboratory studies …

… containing data on smoking status by severity of COVID-19 outcomes. Six … smoking and
severity of COVID-19. Nine of the 18 studies were included in the six meta-analyses of smoking …

… difference between ever and never smokers according to hospital admission for COVID-19
(this result is based on the only two studies where smoking status had been adequately …