Air filter on wards remove almost all airborne Covid virus
A study by doctors and scientists at Addenbrooke’s and the University of Cambridge suggests that air filter machines remove almost all traces of coronavirus.
Dr Vilas Navapurkar led the study and is a consultant in intensive care medicine at Cambridge University Hospitals.
He said: “Effective PPE has made a huge difference, but anything we can do that could reduce the risk further is important.”
Hospitals have been forced to employ wards that were not intended for treating respiratory infections because of the large number of patients being admitted with Covid. We were able to put together a team from across the hospital and university during a period of extreme busyness to assess whether portable air filtration systems, which are reasonably priced, can remove airborne SARS-CoV-2 and make these wards safer.
The research was conducted by the researchers in two Covid wards at Addenbrooke's. A surge critical care unit (ICU) handled patients who needed ventilation either by non-invasive mask ventilation or invasive respiratory support, whereas a surge ward handled patients who only needed basic oxygen treatment or no respiratory support.
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