????:1??????200????:??????

2????????50?

3????????

4?????VX

5???????????

??????????????????12?????????????20????? (????)????????????????????(CDC)???????????????????,??????,??????????????????????414????????,??????????????????????69?????

??????????20????????????????????????????????????,2024?146????,?????54%;??????????????????40%?

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?????????1994?8???,???,?????????????????18?,????????,????????,?,??????????????

??????,??2020????????????,?????????????,??(?????????????) ???????????????????:???????????????????????????????