Amarks the first time that citizens outside of the worldwide clinical trials will have the opportunity to be immunized against Covid-19
원문출처 : https://www.cnn.com/2020/12/02/uk/pfizer-coronavirus-vaccine-uk-intl-hnk/index.html
원문출처 : https://www.cnn.com/2020/12/02/uk/pfizer-coronavirus-vaccine-uk-intl-hnk/index.html