Marc Lipsitch, a professor of epidemiology at the Harvard School of Public Health, answers questions about access to testing for COVID-19, false-negative results and the challenges of mass testing.
Copyright 2020 NPR
Marc Lipsitch, a professor of epidemiology at the Harvard School of Public Health, answers questions about access to testing for COVID-19, false-negative results and the challenges of mass testing.
Copyright 2020 NPR