Over the past 20 years, people have faced a series of outbreaks caused by coronaviruses, including SARS, MERS, and Covid-19. But humans may have faced the disease millennia ago, new research suggests.
원문출처 : https://www.cnn.com/2021/06/25/health/coronavirus-epidemic-east-asia-20000-years-intl-hnk-scn/index.html
원문출처 : https://www.cnn.com/2021/06/25/health/coronavirus-epidemic-east-asia-20000-years-intl-hnk-scn/index.html