The Omicron subvariant BA.2: Birth of a new challenge during the COVID-19 pandemic
Farid Rahimi, Amin Talebi Bezmin Abadi
Abstract
In November 2021, many patients presented with the atypical pneumonia due to the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in South Africa [1]. Subsequently, the WHO Technical Advisory Group called Omicron the variant B.1.1.529 which caused the rise in the COVID-19 cases in South Africa; WHO classified Omicron as a variant of concern (VOC) [2].
Topics & Concepts
Coronavirus disease 2019 (COVID-19)Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)OutbreakPandemic2019-20 coronavirus outbreakPneumoniaMedicineVirologyInternal medicineDiseaseInfectious disease (medical specialty)SARS-CoV-2 and COVID-19 ResearchSARS-CoV-2 detection and testingBacillus and Francisella bacterial research