DIY COVID-19 Study on 2,000 Families Underway

Watch VideoTwice a month inside their Tennessee home, Mendy McNulty swabs the nose of her 7-year-old son, Andrew. They’re among some 2,000 families across 11 U.S. cities in a DIY COVID experiment. Researchers want to study any COVID-19 spread within households, hoping to learn about how school-age children transmit the...