For American universities to safely reopen in the fall, all students on campus must be tested for the coronavirus at least every two to three days, according to a new Yale University study.
Technicians work at the new COVID-19 testing lab at Queen Elizabeth University Hospital in Glasgow, Britain on April 22, 2020. (Reuters)
A man walks at an empty campus green at Georgetown University, closed weeks ago due to coronavirus, in Washington on April 3, 2020. (Reuters)
Lena Landaverde, assistant director of the Precision Diagnostics Center, heads to the new COVID-19, on-campus testing labs after donning personal protective equipment, Thursday, July 23, 2020, at Boston University in Boston. (AP)