Dr. Peter Hotez discusses the Omicron variant and when we'll know if vaccines are effective against it.
원문출처 : https://www.cnn.com/videos/health/2021/11/27/omicron-variant-peter-hotez-vaccines-vpx.cnn
원문출처 : https://www.cnn.com/videos/health/2021/11/27/omicron-variant-peter-hotez-vaccines-vpx.cnn