Tuesday, December 29, 2020

钟南山:国内不会大规模暴发疫情

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钟南山:冬季国内不会大规模暴发疫情
钟南山谈新冠病毒物传人:病毒“物传人”,多大浓度会传染、怎么传染、怎么消杀,这些问题仍需攻关。他表示 https://ift.tt/3py4eiv

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COVID-19 Update: Allegheny County reports 38 more deaths, 526 new cases - Pittsburgh Post-Gazette

COVID-19 Update: Allegheny County reports 38 more deaths, 526 new cases   Pittsburgh Post-Gazette https://ift.tt/3bYooyT