Quite timely—I’ve just noticed the first peer-reviewed ‘real-life’ study showing that air filters (HEPA) used in Covid wards in one hospital significantly reduced the presence of airborne SARS-CoV-2: Press-release: https://​​www.cam.ac.uk/​​research/​​news/​​air-filter-significantly-reduces-presence-of-airborne-sars-cov-2-in-covid-19-wards
Paper: https://​​academic.oup.com/​​cid/​​advance-article/​​doi/​​10.1093/​​cid/​​ciab933/​​6414657?guestAccessKey=248e14cc-d920-4782-99b7-634e47cdaa0e
(For context: In the UK more than 11,000 people were thought to have died from catching COVID at hospitals).
Quite timely—I’ve just noticed the first peer-reviewed ‘real-life’ study showing that air filters (HEPA) used in Covid wards in one hospital significantly reduced the presence of airborne SARS-CoV-2: Press-release: https://​​www.cam.ac.uk/​​research/​​news/​​air-filter-significantly-reduces-presence-of-airborne-sars-cov-2-in-covid-19-wards
Paper: https://​​academic.oup.com/​​cid/​​advance-article/​​doi/​​10.1093/​​cid/​​ciab933/​​6414657?guestAccessKey=248e14cc-d920-4782-99b7-634e47cdaa0e
(For context: In the UK more than 11,000 people were thought to have died from catching COVID at hospitals).