| Hans-Günter Meyer-Thompson | Arbeitsschutz
Covid: Masks upgrade cuts infection risk, research finds
Covid: Masks upgrade cuts infection risk, research finds
The quality of face masks healthcare workers wear makes a huge difference to their risk of coronavirus infection, Cambridge University Hospitals NHS Foundation Trust research has found.
Wearing a high grade mask known as an FFP3 can provide up to 100% protection. (BBC, 29.06.2021)