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.

By contrast, there is a far greater chance of staff wearing standard issue surgical masks catching the virus.

Professional bodies have long campaigned for staff to be given better personal protective equipment.

The data was gathered during a programme of regular testing for Covid at the trust.

The results are published in a pre-print paper that has not been peer-reviewed.

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