Scientists investigate 100-year-old vaccine as possible COVID-19 treatment
02:35
Link copied
Scientists are now looking into a 100-year-old tuberculosis vaccine as a possible treatment for coronavirus. NBC News’ Carl Nasman reports on the clinical trials that are already underway.April 20, 2020
UP NEXT
Body of missing Minnesota mother found, ex-boyfriend arrested
03:00
Utah parents protest Bible removal from schools
02:34
Philadelphia air quality poses threat to vulnerable communities
03:17
Experimental drug shows promise for marijuana addiction
03:13
Trump indicted on 7 counts in classified docs probe