Most people know that high cholesterol is bad for their heart, but few people really understand what cholesterol is. Dr. Claire Haga, a Mayo Clinic family […]
France on Friday recommended that people who have already recovered from COVID-19 receive a single vaccine dose, becoming the first country to issue such advice.
On Feb. 10, the Centers for Disease Control and Prevention released new mask guidelines based on a study of how mask fit affects the wearer’s exposure […]
Most countries introduced school closures during the spring of 2020 despite substantial uncertainty regarding the effectiveness in containing SARS-CoV-2. In Sweden, upper-secondary schools moved online while […]