Tag: Delta variant

现时疫苗能防 Delta 病毒美专家：不担心疫情再起

现时疫苗能防 Delta 病毒美专家：不担心疫情再起

WaCow Editor 1 | June 25, 2021 | 0 Comments

官员表示去年疫情失控的惨况不会重演

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