Assessing the risk of hospital transmission of COVID-19

As hospitals move past the peak of the COVID-19 pandemic, the risk of hospital-transmission looms large. Elective services will reopen and patients who have not been exposed to COVID-19 as a result of the broadly successful lockdown will come into hospitals and risk exposure to patient (and staff) with COVID-19 infections. How big is this…

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Microfibre and water isn’t magical

There’s a word on the street that microfibre combined with water is suitable for all cleaning challenges. But a study from Prof Jean-Yves Maillard’s lab in Cardiff suggests that water and microfibre alone achieves only a moderate removal of bacteria from surfaces and readily transfers bacteria between surfaces. Adding disinfectants to microfibre enhances their efficacy considerably. The…

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UV room disinfection system face-off

An important new US study has performed an epic head-to-head evaluation of 8 different UV-based room disinfection systems. Whilst there were some differences between the UVC-based systems, there was a stark difference between the efficacy of the 7 UVC systems and the one pulsed-xenon UV (PX-UV) system, with the PX-UV proving considerably less effective. UV systems are…

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