When Addenbrooke’s Hospital in Cambridge upgraded its face masks for staff working on COVID-19 wards to filtering face piece 3 (FFP3) respirators, it saw a dramatic fall – up to 100% – in hospital-acquired SARS-CoV-2 infections among these staff.
The findings are reported by a team at the University of Cambridge and Cambridge University Hospitals (CUH) NHS Foundation Trust. The research has not yet been peer-reviewed, but is being released early because of the urgent need to share information relating to the pandemic.
FFP3 mask effectiveness at protection
FFP3 mask effectiveness at protection
https://www.cam.ac.uk/research/news/upg ... amatically
Have you considered stupidity as an explanation
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Re: FFP3 mask effectiveness at protection
"early"jimbob wrote: ↑Sun Nov 07, 2021 4:35 pmhttps://www.cam.ac.uk/research/news/upg ... amatically
When Addenbrooke’s Hospital in Cambridge upgraded its face masks for staff working on COVID-19 wards to filtering face piece 3 (FFP3) respirators, it saw a dramatic fall – up to 100% – in hospital-acquired SARS-CoV-2 infections among these staff.
The findings are reported by a team at the University of Cambridge and Cambridge University Hospitals (CUH) NHS Foundation Trust. The research has not yet been peer-reviewed, but is being released early because of the urgent need to share information relating to the pandemic.
(ETA it's from June 2021)
having that swing is a necessary but not sufficient condition for it meaning a thing
@shpalman@mastodon.me.uk
@shpalman@mastodon.me.uk
Re: FFP3 mask effectiveness at protection
Why were staff working on COVID wards only wearing surgical masks in the first place?