To the 28-year-old high school teacher, the expectation of a return to relative normalcy that came with mass coronavirus vaccination efforts is fading fast.
원문출처 : https://www.cnn.com/2021/02/01/us/coronavirus-vaccines-variants-return-to-normal/index.html
원문출처 : https://www.cnn.com/2021/02/01/us/coronavirus-vaccines-variants-return-to-normal/index.html