In the days since Oxford University and AstraZeneca unveiled the results of the partnership's Phase 3 Covid-19 vaccine trials, a growing number of questions have emerged.
원문출처 : https://www.cnn.com/2020/11/28/health/oxford-astrazeneca-vaccines-developing-countries-intl/index.html
원문출처 : https://www.cnn.com/2020/11/28/health/oxford-astrazeneca-vaccines-developing-countries-intl/index.html