Dr. Jen Ashton has the latest on Pfizer’s trials in the U.S., Finland, Poland and Spain. SUBSCRIBE to GMA3's YouTube page: https://bit.ly/3kNlst8 VISIT GMA's homepage: https://abc.com/shows/gma3-what-you-n... FOLLOW GMA3: Facebook: / abcgma3 Twitter: / abcgma3 Instagram: / abcgma3