Imperial College's vaccine trial volunteers are entering the second round of human trials. CNN's Nina dos Santos reports.
원문출처 : https://www.cnn.com/videos/health/2020/07/16/imperial-college-vaccine-trials-second-round-dos-santos-pkg-ctw-vpx.cnn
원문출처 : https://www.cnn.com/videos/health/2020/07/16/imperial-college-vaccine-trials-second-round-dos-santos-pkg-ctw-vpx.cnn