In 2009, two flu vaccines manufactured by the same company did not equally protect against the circulating H1N1 flu virus. A study published Wednesday in the journal Science Translational Medicine examines the question: Why did one vaccine offer 35% less protection against the flu?
원문출처 : http://www.cnn.com/2017/03/22/health/flu-vaccine-failure-study/index.html
원문출처 : http://www.cnn.com/2017/03/22/health/flu-vaccine-failure-study/index.html