A technician cultivates lung cells as he preps for research into the infectivity of the SARS-CoV-2 in human lungs at a laboratory at the University of Hong Kong (HKU) in Hong Kong. Photo: Bloomberg
A technician cultivates lung cells as he preps for research into the infectivity of the SARS-CoV-2 in human lungs at a laboratory at the University of Hong Kong (HKU) in Hong Kong. Photo: Bloomberg