With more than 4.2 million people given their first doses of Covid-19 vaccines so far, experts say the pace of inoculation in the US needs to speed up.
원문출처 : https://www.cnn.com/2021/01/04/health/us-coronavirus-monday/index.html
원문출처 : https://www.cnn.com/2021/01/04/health/us-coronavirus-monday/index.html