A year and a half since the first Covid-19 cases were identified, many countries in Asia-Pacific feel right back where they started.
원문출처 : https://www.cnn.com/2021/08/08/asia/delta-covid-zero-china-australia-intl-dst-hnk/index.html
원문출처 : https://www.cnn.com/2021/08/08/asia/delta-covid-zero-china-australia-intl-dst-hnk/index.html