Inactivated influenza vaccine has good safety record. 灭活流感疫苗有相当安全的使用记录。
Either trialent influenza accine or lie attenuated influenza accine can be used to lower the risk for influenza irus infection or its sequelae. 无论是三价流感疫苗还是减活流感疫苗都能降低流感病毒感染或者后遗症风险。