For the past few months, the CDC (Center for Disease Control and Prevention) has stressed the importance of wearing protective face coverings to help slow the spread of COVID-19. Wearing a mask has ...
A homemade face mask likely needs two or three layers of cloth to be effective in preventing the spread of the coronavirus, according to an observational study published in the medical journal Thorax.
Vipingo Ridge administration manager Chilson Lwangu (right) distributes face masks to fishermen at Shariani in Kilifi County. [Omondi Onyango, Standard] Experts found one layer of cotton T-shirt ...
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