CNN's Sanjay Gupta breaks down key milestones in the coronavirus' path to becoming a global pandemic and how the US responded.
원문출처 : https://www.cnn.com/videos/health/2020/12/30/coronavirus-pandemic-2020-gupta-newday-vpx.cnn
원문출처 : https://www.cnn.com/videos/health/2020/12/30/coronavirus-pandemic-2020-gupta-newday-vpx.cnn