Protective Efficacy Against Pandemic Influenza of Seasonal Influenza Vaccination in Children in Hong Kong: A Randomized Controlled Trial
Cowling, Benjamin J.;Ng, Sophia;Ma, Edward S. K.;Fang, Vicky J.;So, Hau Chi;Wai, Winnie;Cheng, Calvin K. Y.;Wong, Jessica Y.;Chan, Kwok-Hung;Ip, Dennis K. M.;Chiu, Susan S.;Peiris, J. S. Malik;Leung, Gabriel M.;
Seasonal influenza vaccination administered towards the end of the first wave of the 2009 pandemic influenza A(H1N1) virus appeared to provide school-age childr