Moderate influenza vaccine effectiveness against influenza A(H1N1)pdm09 virus and low effectiveness against A(H3N2) virus among older adults during 2013-2014 influenza season in Beijing, China.

@article{Zhang2018ModerateIV,
  title={Moderate influenza vaccine effectiveness against influenza A(H1N1)pdm09 virus and low effectiveness against A(H3N2) virus among older adults during 2013-2014 influenza season in Beijing, China.},
  author={Li Xia Zhang and Yang Pan and Chunna Ma and W. Duan and Ying Sun and Shuangsheng Wu and Man Zhang and Yi Tian and Yang Zheng and Peng Fei Yang and Quanyi Wang},
  journal={Human vaccines & immunotherapeutics},
  year={2018},
  volume={14 6},
  pages={
          1323-1330
        }
}
BACKGROUND Since 2007, trivalent inactivated influenza vaccine has been provided free-of-charge to older adults aged ≥60 years in Beijing, China, but the data regarding influenza vaccine effectiveness (VE) among these people are very limited so far. We sought to estimate influenza VE against medically-attended laboratory-confirmed influenza illness among… CONTINUE READING