適應症
主要試驗指標及次要試驗指標提供於第8.1 節,試驗指標。The primary efficacy endpoints are defined as the time from last study vaccination to the onset of:First-occurrence of RT-PCR-confirmed influenza, due to any influenza Type A and/or B virus(regardless of antigenic match), occurring from 14 days after vaccination (ie study day 15) and untilthe end of influenza season, using the protocol-defined ILI definition.