我覺得光是看澳洲的數據,既看不出疫苗的防護有多好,也看不出有多無用。有效的比較需要更多其他因素的數據
我覺得光是看澳洲的數據,既看不出疫苗的防護有多好,也看不出有多無用。有效的比較需要更多其他因素的數據
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