Amid lagging communication and a need to rapidly identify COVID-19 sufferers, the federal agency is allowing state hospitals to confirm their own test samples.By Katrina Janco | March 20, 2020In the earliest days of novel coronavirus (COVID-19) testing, the first reports that filtered in from health officials described cases as being “presumed positive,” rather than … Continue reading Coronavirus Testing: ‘Presumed Positive’ is Confirmed Positive, as CDC Defers to State Labs on Testing