When should I Wear a Mask?
Posted in: Accessories & JewelryOne study, published April 6 in the journal Annals of Internal Medicine, discovered that they did not. That study, led by South Korean researchers, involved asking four patients with COVID-19 to cough into a petri dish 7.8 inches (20 centimeters) away. The patients coughed without masks, while wearing a disposable surgical mask and again wearing […]
