We’re drained, we’re exhausted’: On the front lines with first responders in Boston | WNT

Working around the clock, so-called “disease detectives” use contact tracing to track down suspected patients in order to stop the spread of COVID-19. WATCH THE FULL EPISODE OF 'WORLD NEWS TONIGHT':
bit.ly/2wY3q0J WATCH OTHER FULL EPISODES OF WORLD NEWS TONIGHT:
abc.go.com/shows/world-news-tonight WATCH WORLD NEWS TONIGHT ON HULU:
hulu.tv/33iKepm #WorldNewsTonight #COVID19 #Frontlines #DiseaseDetectives

Watch the video at ABC News on Coronavirus COVID-19