Contamination and washing of cloth #masks and risk of infection among hospital health workers in Vietnam: a post hoc analysis of a randomised controlled trial
In a previous randomised controlled trial (RCT) in hospital healthcare workers (HCWs), cloth masks resulted in a higher risk of respiratory infections compared with medical masks. This was the only published RCT of cloth masks at the time of the COVID-19 pandemic.. ..Viral contamination with rhinovirus was identified on both used medical and cloth masks. Most HCW (77% of daily washing) self-washed their masks by … Continue reading Contamination and washing of cloth #masks and risk of infection among hospital health workers in Vietnam: a post hoc analysis of a randomised controlled trial