Emergence of Omicron sub-variant BA.2: Is it a matter of concern amid the COVID-19 pandemic?

Abstract excerpt

Dear Editor The appearance of the SARS-CoV-2 Omicron variant (B.1.1.529) has been recognized as a severe threat despite many countries’ best attempts to limit the so-called COVID-19 pandemic [1]. The Omicron variant was first discovered in Botswana, South Africa, and further designated as VOC (Variant of Concern) by the World Health Organization (WHO) on November 26, 2021 [1,2]. According to current statistics,...

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