春季流感高發。小孩如何預防流感？

{!-- PGC_VIDEO:{"video_md5":"0e575c987924b4d2617a4b119b10dc04","thumb_height":360,"vname":"58C1277120704CF090066CFCAC120155_h264_800k_mp4.mp4","neardup_id":1033396449442051282,"thumb_width":448,"src_thumb_uri":"19bf00076975a2fa42ba","sp":"toutiao","update_thumb_type":"1","vposter":"http://p0.pstatp.com/origin/19bf0007697498cdecd5","vid":"17b8a03b5ff0468ca44c2f76c4daeb69","video_size":{"normal":{"h":360,"subjective_score":2,"w":448,"file_size":2927389}},"duration":143,"hash_id":1033396449442051282,"thumb_url":"19bf0007697498cdecd5","md5":"485732d22dc45c08ca443b19947376d6","vu":"17b8a03b5ff0468ca44c2f76c4daeb69"} --}