^
冠狀病毒COVID 19在2019年底,全世界對一種被研究很少的病毒感染感到震驚-所謂的“中國病毒”或冠狀病毒COVID-19。這是一種急性病毒性病理,其特徵是呼吸系統主要病變,而消化道病變程度較小。

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