It could take just one cough, one kiss, one touch or even one bite to change not only your life, but the lives of everyone around you -- and for months or even years.
원문출처 : http://www.cnn.com/2017/04/03/health/pandemic-risk-virus-bacteria/index.html
원문출처 : http://www.cnn.com/2017/04/03/health/pandemic-risk-virus-bacteria/index.html