This scanning electron microscope image shows SARS-CoV-2, the virus that causes COVID-19, isolated from a patient in the U.S., emerging from the surface of cells cultured in the lab. (Photo by: IMAGE POINT FR - LPN/BSIP/Universal Images Group via Get HARRISBURG, Pa. - Pennsylvania is reporting its highest single-day caseload of new coronavirus infections since early May, although the state Department of Health said Tuesday that a significant portion are backlogged or delayed test results.Of the 995 new infections reported, about 400 are backlogged cases from Philadelphia or delayed results that were not reported electronically to the department's system, an agency spokesperson said.Another 33 coronavirus-related deaths were reported, the.