A growing number of Americans have missed their scheduled second dose of a Covid-19 vaccine, according to data from the US Centers for Disease Control and Prevention.
원문출처 : https://www.cnn.com/2021/04/25/health/us-coronavirus-sunday/index.html
원문출처 : https://www.cnn.com/2021/04/25/health/us-coronavirus-sunday/index.html