這句話的意思是說, 所有死亡人數中,6.9%是死於肺炎與流感。 流感的死亡率是萬分之五點幾(2019-2020流感季)。
本帖於 2020-03-05 09:09:49 時間, 由普通用戶 一問三知 編輯
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