Sitting squeezed between a number of strangers on board an aircraft might feel like a risky position during these uncertain times.
원문출처 : https://www.cnn.com/travel/article/odds-catching-covid-19-flight-wellness-scn/index.html
원문출처 : https://www.cnn.com/travel/article/odds-catching-covid-19-flight-wellness-scn/index.html