Tobacco Use and the Risk of COVID-19 and Adverse Outcomes

CompletedOBSERVATIONAL

Enrollment

757,585

Participants

Timeline

Start Date

April 1, 2022

Primary Completion Date

December 31, 2023

Study Completion Date

December 31, 2023

Conditions

COVID-19Respiratory Tract InfectionsInfectionsPneumonia, ViralPneumoniaVirus DiseasesSARS-CoV-2 Infection

Trial Locations (1)

Karolinska Institutet, Solna

All Listed Sponsors

collaborator

Finnish Institute for Health and Welfare

OTHER_GOV

collaborator

Norwegian Institute of Public Health

OTHER_GOV

lead

Karolinska Institutet

OTHER