ABC Chief Medical Correspondent Dr. Ashton explains the basics behind antibodies. Subscribe to GMA’s YouTube page: Visit Good Morning America’s homepage: Follow GMA: Facebook: Twitter: Instagram: Watch full episodes of GMA: #GMA #Antibodies #Coronavirus

ABC News’ chief medical correspondent responds to questions about the coronavirus, the risk for smokers and vapers and more. #DrJenAshton #CoronavirusQuestions