每劑 0.5mL含有A/Victoria/2570/2019 (H1N1)pdm09 - like strain (A/Victoria/2570/2019, IVR-215)、A/Darwin/9/2021 (H3N2) - like strain (A/Darwin/9/2021, IVR-228)、B/Austria/1359417/2021 - like strain (B/Michigan/01/2021, wild type,)、B/Phuket/3073/2013 - like strain (B/Phuket/3073/2013, wild type)各15μgHA