1. Is Omicron a variant of COVID-19? The emergence of Omicron On November 24, 2021, a new variant of SARS-CoV-2, B.1.1.529, was reported to the World Health Organization (WHO). This new variant was first detected in specimens collected on November 11, 2021, in Botswana and on November 14, 2021, in South Africa. 2. What are...