Pennsylvania November 11, 2020 5:39 pm Experts Focus on Positivity Rates as COVID Cases Surge As COVID-19 cases continue to surge in our region, experts are focusing on “positivity rates.” NBC10’s Stephanía Jiménez explains what they are and why they’re so important. 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