Since the earliest days of the coronavirus pandemic, public health experts have emphasized that having an efficient system for wide-scale testing was key to bringing the COVID-19 outbreak under control. But in reality, virus testing in the United States has consistently missed the mark. William Brangham talks to Dr. Jennifer Nuzzo, an epidemiologist at Johns Hopkins Center for Health Security.
Stream your PBS favorites with the PBS app: https://to.pbs.org/2Jb8twG
Find more from PBS NewsHour at https://www.pbs.org/newshour
Subscribe to our YouTube channel: https://bit.ly/2HfsCD6
PBS NewsHour podcasts: https://www.pbs.org/newshour/podcasts