30
Participants
Start Date
March 29, 2021
Primary Completion Date
August 20, 2021
Study Completion Date
August 20, 2021
Community Mask
Fabric mask, no medical device
Surgical Mask
Medical face mask (personal protective equipment), CE-certified
FFP2 respirator
Filtering Face Piece with no less than 94% filtering capacity, CE-certified
FFP3 respirator
Filtering Face Piece with no less than 99% filtering capacity, CE-certified
Fraunhofer ITEM, Hanover
Fraunhofer-Institute of Toxicology and Experimental Medicine
OTHER