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Researchers from the Universities of Bristol and Surrey have found that well-fitting, three-layered cloth masks can be as effective at reducing the transmission of COVID-19 as surgical masks. At the height of the COVID-19 pandemic, 139 countries mandated the use of face coverings in public space such as supermarkets and public transports. The World Health […]
Wearing a face mask or other covering over the mouth and nose reduces the forward distance traveled by an exhaled breath by more than 90 percent, research suggests. A team of engineers from Heriot-Watt University, the University of Edinburgh and NHS Lothian clinicians tested the effectiveness of seven types of face covering—including medical-grade and home-made […]