Philadelphia January 12, 2022 6:01 pm Philly Recommends Double Masking Or Medical-Grade Masks Amid COVID Surge Amid the continued surge in COVID cases, Philly health experts are recommending that people double mask or wear medical-grade masks. NBC10’s Karen Hua explains. US & World Videos 1:31 CDC recommends updated Covid shot for everyone ages 6 months and up 2:39 New COVID variant known as Eris causing rise in cases, experts say 2:05 Federal Covid-19 Public Health Emergency Ends After More Than 3 Years 2:05 After More Than 3 Years, COVID-19 Public Health Emergency Coming to an End 0:35 WHO: COVID Is No Longer a Global Health Emergency