Tus kab mob COVID-19 tsis tu ncua hauv Shijiazhuang, Hebei xeev, tuaj yeem muaj nyob rau hauv ib hlis, yog tias tsis tau sai dua, tus kws tshaj lij kis mob hauv Shanghai tau hais rau hnub Monday.Zhang Wenhong, tus thawj coj ntawm chav saib xyuas kab mob sib kis ntawm Tsev Kho Mob Huashan koom nrog Fudan University, tau hais tias ...
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