Omicron is a highly divergent variant with a high number of mutations, including 26-32 in the spike protein, some of which are concerning and may be associated with immune escape potential and higher transmissibility. “As of December 16, 2021, the Omicron variant has been identified in 89 countries across all six WHO regions,” the WHO … Continue reading Omicron cases doubling and spread to 89 countries warns WHO