Heterogeneity in the clinical presentation of SARS-CoV-2 infection and COVID-19
progression underscores the urgent need to identify individual-level susceptibility factors …

Coronavirus disease 2019 (COVID-19), caused by severe acute respiratory syndrome
coronavirus 2 (SARS-CoV-2), has led to an excess in community mortality across the globe …

COVID-19 has become a global pandemic, with over 81 million cases worldwide. To assess
changes in tobacco use as a result of the pandemic, we surveyed a convenience sample of …

This research investigated (1) how the coronavirus pandemic impacted tobacco
addiction,(2) which smoker segments were more vulnerable, and (3) how the changes in …

Introduction The relationship between tobacco smoking status and SARS-CoV-2 infection
and coronavirus disease 2019 (COVID-19) severity is highly debated. We conducted a …

Both SARS-CoV-2 and smoking tobacco adversely impact the respiratory system, damaging
the airways and impairing lung function. While some studies have identified a positive …

Background: Identification of prognostic factors in COVID-19 remains a global challenge.
The role of smoking is still controversial. Methods: PCR-positive in-and outpatients with …

Abstract The coronavirus disease 2019 (COVID-19) pandemic has affected> 610 million
people globally, exerting major social, economic, and health impacts. Despite the large …

Background The COVID-19 pandemic has had a significant global impact. As a respiratory
illness, COVID-19 may pose unique risks to cigarette smokers. This study used concept …

METHODS We analyzed data from four cross-sectional telephone/online surveys from April
to June 2020 to investigate such changes since the 1st and 2nd wave outbreaks (February …