It’s a new front line in the war against COVID-19, and an army of Americans are training as disease detectives using phones to trace the spread of the virus and reduce transmission.  Epidemiologists believe contact tracing is a critical step in ending the pandemic and reopening the economy safely due to the success seen in fighting polio and smallpox, but many are concerned about their privacy.

 

READ MORE: Meet These Two Bear Cubs Who Have Become Inseparable At The Detroit Zoo

 

 

READ MORE: Delta Wants Other Airlines To Share ‘No-Fly’ Lists To Help Stop Unruly Passengers

 

 

 

 

MORE NEWS: Veteran Needs Help With Home Repairs

 

Watch THE DR. OZ SHOW, weekdays at 4 p.m. on CBS 62.