Miles apart: FFP2 masks vs maskless COVID exposure
COVID-19 Masks FFP2

Miles apart: FFP2 masks vs maskless COVID exposure

Santhni Subramaniam
Santhni Subramaniam

In 10 seconds? Many countries have loosened up their regulations only to be hit by the fast-spreading Omicron coronavirus-variant. Suddenly the talk – and rules – are again about wearing masks and researchers have demonstrated the dramatic difference they can make.

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