• More than 2,000 flights canceled globally amid Omicron surge
• How to limit the heightened risk of infection during travel, according to an expert
• Third major cruise ship hit by Covid outbreak
• Opinion: Omicron is a game-changer for Covid-19 vaccines
원문출처 : https://www.cnn.com/world/live-news/omicron-variant-coronavirus-news-12-27-21/index.html
원문출처 : https://www.cnn.com/world/live-news/omicron-variant-coronavirus-news-12-27-21/index.html