Birx Urges Americans to 'Increase Vigilance' As COVID-19 Cases Spike

Dr. Deborah Birx, coordinator of the White House coronavirus task force, on Thursday issued a warning to Americans as cases rise around the country. “We want to call on every American to increase their vigilance,” Birx said. She also urged people to limit gatherings and wear masks as the country sees a surge in asymptomatic cases.