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BOW
確診前: 口罩外側比較毒;確診後:口罩內側比較毒...
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Wally
所以確診期間口罩應該要反過來戴?
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BOW
所以確診期間內側不要去接觸到其他地方...
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Wally
可是確診期間不會外出, 應該沒有戴口罩的必要?
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BOW
開門拿外送餐的時候... 雖然門外沒有人...