Chief medial correspondent Dr. Sanjay Gupta breaks down recent vaccine data from Israel and data from Pfizer that supports the argument for booster shots.
원문출처 : https://www.cnn.com/videos/us/2021/09/16/covid19-booster-shot-israel-gupta-newday-vpx.cnn
원문출처 : https://www.cnn.com/videos/us/2021/09/16/covid19-booster-shot-israel-gupta-newday-vpx.cnn