As athletes and tourists arrive in South Korea ahead of the 2018 Winter Olympic Games in Pyeongchang, health officials on the Korean Peninsula are battling two strains of influenza.
원문출처 : http://www.cnn.com/2018/01/31/health/influenza-outbreaks-korea-winter-olympics/index.html
원문출처 : http://www.cnn.com/2018/01/31/health/influenza-outbreaks-korea-winter-olympics/index.html