Not all of the 3 billion people who fly the friendly skies each year around the world are in tip-top health. Conventional wisdom says that you're more likely to catch a cold (or some other illness) if you're stuck on a long flight packed tight with possibly sick passengers.
원문출처 : https://www.cnn.com/2018/03/19/health/airplane-germs-study/index.html
원문출처 : https://www.cnn.com/2018/03/19/health/airplane-germs-study/index.html