Covid -19 appeared a new strain of Omicron in Vietnam: The spread was many times higher than the old ones
Hoàng Anh09:44:28 29/06/2022
BA.5 and BA.4 are two common strains in new cases in many Western countries. It is said to be many times more contagious than Omicron's BA.2. At the meeting to provide medical information on the afternoon of June 27, Prof. Dr. Phan Trong Lan, Director of the Department of...
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