Impact of Tobacco Smoking on the Risk of COVID-19: A Large Scale Retrospective Cohort Study.

ABSTRACT:

Introduction

Preliminary reports indicated that smokers could be less susceptible to coronavirus SARS-CoV-2, which causes Covid-19. However, once infected an increased risk of severe disease is reported. We investigated the association between smoking and COVID-19 during an outbreak of the disease on a naval vessel.

Methods

We conducted a cross-sectional, observational study on the 1769 sailors of the same navy aircraft carrier at sea exposed at the same time to SARS-CoV2 to investigate the link between tobacco consumption and Covid-19.

Results

Among the 1688 crewmembers (87% men; median age = 28 [interquartile range 23-35]) included, 1279 (76%) developed Covid-19 (1038 [62%] reverse-transcriptase- polymerase chain reaction testing-positive and 241 [14%] with only cli

SUBMITTER: Paleiron N 

PROVIDER: S-EPMC7953961 | biostudies-literature | 2021 Aug

REPOSITORIES: biostudies-literature