The drug company said one of its volunteers suffered an adverse reaction. ABC's Faith Abubey reports. SUBSCRIBE to ABC NEWS: https://bit.ly/2vZb6yP Watch More on http://abcnews.go.com/ LIKE ABC News on FACEBOOK https://www.facebook.com/abcnews FOLLOW ABC News on TWITTER: https://twitter.com/abc #ABCNews #Coronavirus #COVID-19 #Pandemic #Health #Vaccine #VaccineTrial