類型: 連結
作者: Haley Ott
出處: CBS News
連結: https://www.cbsnews.com/news/covid-19-variant-south-africa-spread/
Another new variant of COVID-19 is spreading rapidly in South Africa

類型: 連結
作者: Haley Ott
出處: CBS News
連結: https://www.cbsnews.com/news/covid-19-variant-south-africa-spread/