The third phase of clinical trials of Russia's Sputnik V vaccine has begun after the country prematurely approved the vaccine in August before completing the trials -- a move that has drawn criticism. CNN's Matthew Chance goes inside the critical final trials that would establish the vaccine for public use.


원문출처 : https://www.cnn.com/videos/world/2020/09/10/russia-coronavirus-covid-19-vaccine-sputnik-v-phase-three-exclusive-chance-pkg-intl-hnk-vpx.cnn