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Why Omicron (B.1.1.529) variant is a worry?  by Dr Harold Gunatillake Becoming dominant COVID-19 variant worldwide Transcript: History The coronavirus outbreak began in Wuhan, China, in December 2019. • Known as SARS-CoV-2, the virus has resulted in more than 265 million infection and more than 5.2 million deaths. • The World Health Organization (WHO) is currently monitoring five variants of concern: Alpha, Beta, Gamma, Delta, and Omicron. The variant detected by scientists recently in Gauteng, South Africa, a new mutant of SARS- CoV-2, labelled Omicron B.1.1.529, is a concern, because of the unprecedented large number of mutations or copies of the variant genome, that is spreading faster than the previous variants and infecting humen cells. SARS is the term defined as severe acute respiratory syndrome or (SARS)-CoV-2. We must live with Covid and the Omicron scare, and why? This is supposed to be a cluster outbreak and a real resurgence ...