From symptoms to vaccine efficacy, ABC News’ Dr. Jen Ashton breaks down some of the most asked omicron questions.

ABC News’ Dr. Jen Ashton has answers to viewers’ health and COVID-19 questions. 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 let’s bring in dr ashton once again joining us…

Dr. Jen Ashton takes a closer look at post-vaccine immunity and has the latest on Moderna’s FDA approval status. SUBSCRIBE to GMA3’s YouTube page: VISIT GMA’s homepage: FOLLOW GMA3: Facebook: Twitter: Instagram:

Answers to viewers’ COVID and health questions from Dr. Jen Ashton. SUBSCRIBE to GMA3’s YouTube page: VISIT GMA’s homepage: FOLLOW GMA3: Facebook: Twitter: Instagram:

Dr. Jen Ashton answers viewers’ questions about health, nutrition and COVID-19 vaccines.

Dr. Jen Ashton discusses when and why we may need a booster shot.