Influenza Division, Centers for Disease Control and Prevention.
Clin Infect Dis. 2013 Dec;57(11):1587-92. doi: 10.1093/cid/cit551. Epub 2013 Aug 15.
During 2009-2010, we examined 217 patients hospitalized with laboratory-confirmed pandemic influenza in 9 Influenza Hospitalization Surveillance Network sites and 413 age- and community-matched controls and found that a single dose of monovalent nonadjuvanted influenza A(H1N1)pdm09 vaccine was 50% (95% confidence interval, 13%-71%) effective in preventing hospitalization associated with A(H1N1)pdm09 virus infection.
在 2009-2010 年期间,我们在 9 个流感住院监测网络点和 413 名年龄和社区匹配的对照中检查了 217 名经实验室确诊的大流行性流感住院患者,发现单剂单价无佐剂流感 A(H1N1)pdm09 疫苗预防与 A(H1N1)pdm09 病毒感染相关的住院的有效性为 50%(95%置信区间,13%-71%)。