NCT05690516View on ClinicalTrials.gov

The Protective Effect of Mask Wearing Against Respiratory Tract Infections

NACompletedINTERVENTIONAL
Enrollment

4,575

Participants

Timeline

Start Date

February 10, 2023

Primary Completion Date

May 1, 2023

Study Completion Date

May 1, 2023

Conditions
COVID-19Respiratory Tract Infections
Interventions
BEHAVIORAL

Wearing face masks

Participants are asked to wear face masks in public spaces.

Trial Locations (1)

0213

Norwegian Institute of Public Health, Oslo

All Listed Sponsors
collaborator

University of Basel

OTHER

lead

Norwegian Institute of Public Health

OTHER_GOV