years, and 20.6% were adults aged 65 years or older. Of children aged younger than 16 years admitted with 于 2017、2019 流感大年，考co虑nfi到rme疫d in情flu影enza响 to就 dat诊e, 6实.1%际 we感re a染dm率itte可d d能irec更tly t高o IC。U, 分com年par龄ed 段to 8来.4%看 of ，adu1lts9 aged 16 to 64
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