Omicron (B. 1 . 1.529), a new variant of SARS-CoV-2 has been announced as a variant of concern by WHO recently, due to its suspected high transmission owing to several mutations. It was first reported in South Africa on 24 November 2021 and according to the latest news, Omicron cases in South Africa are constantly increasing. Various epidemiologic studies are underway to understand whether the increasing number of Omicron virus cases is due to its high transmission or other contributing factors.