????:1?????????:2023?????????

2?????????

3??????498

4?????

5????????

????2????21???? (???????? ???)??21??????????????,????2??????????????????????????????????16????????????????????,?2???????????,??????????????,????????????H1N1???????????????

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????,????53????????????,?????????????????????????????????,??(????=38?)??????????,????????????1??????(?,???)?

???1??????????????????????????,?????H1N1???????,??????“???”;?????????????,??????H3N2???????????B??

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