Influenza Vaccine Induces Intracellular Immune Memory of Human NK Cells Dou, Yaling ; Fu, Binqing ; Sun, Rui ; Li, Wenting ; Hu, Wanfu ; Tian, Zhigang ; Wei, Haiming Abstract Publication: PLoS ONE Pub Date: March 2015 DOI: 10.1371/journal.pone.0121258 Bibcode: 2015PLoSO..1021258D