The European Union and other major destinations have moved to block flights from African countries following the discovery of an aggressive mutation of the Covid-19 virus, echoing previous emergency responses that triggered a global freeze on travel.
원문출처 : https://www.cnn.com/travel/article/new-covid-variant-travel/index.html
원문출처 : https://www.cnn.com/travel/article/new-covid-variant-travel/index.html