In 2020, a devastating virus officially disappeared from the continent it had once ravaged -- a remarkable public health achievement that followed decades of work. But you may have missed it.
원문출처 : https://www.cnn.com/2020/12/25/europe/2020-improving-world-recap-scli-intl/index.html
원문출처 : https://www.cnn.com/2020/12/25/europe/2020-improving-world-recap-scli-intl/index.html