Wear surgical and cloth masks together as Covid-19 variants spread, experts say
Wear surgical and cloth masks together as Covid-19 variants spread, experts say As new, more transmissible variants of the coronavirus spread, experts say it’s time to consider using a medical-grade respirator or wearing a surgical and cloth mask together. Scientists have agreed for some time the main way the virus is spread is through the air, rather than surfaces, and there’s growing evidence that small droplets from ordinary breathing and speech that can travel many meters (yards) are a […]