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-need-to-know FOLLOW GMA3: Facebook: https://www.facebook.com/abcgma3 Twitter: https://twitter.com/abcgma3 Instagram: https://instagram.com/abcgma3