Safety guidance

Guidance from doctors in Germany includes the following effects of wearing a face covering on transmission. This is based on two people in close conversation, with one on them carrying the virus.

1. Neither wear a face covering: Chance of transmission ~90%
2. Only the uninfected person wears a face covering: Chance of transmission ~30%.
3. Only the infected person wears a face covering: Chance of transmission ~5%.
4. Both wear a face covering: Chance of transmission ~1.5%

A graphic is available HERE.

Updated July 26, 2021.