China has approved the country's first homegrown coronavirus vaccine, developed by state-owned pharmaceutical giant Sinopharm, promising free inoculation for all citizens.
원문출처 : https://www.cnn.com/2020/12/30/asia/china-sinopharm-vaccine-efficacy-intl-hnk/index.html
원문출처 : https://www.cnn.com/2020/12/30/asia/china-sinopharm-vaccine-efficacy-intl-hnk/index.html