Philadelphia July 29, 2020 6:27 pm Second Wave of COVID-19 Cases Hits Philadelphia Philadelphia is now in the second wave of COVID-19 cases. NBC10 investigative reporter Mitch Blacher takes a look at the lessons learned from the first wave. 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