Covid-19 #3: 2023, Omicron
Continuity This Post This post was written as an endless post (updated or republished periodically) started January 3, 2023. It follows earlier posts: Omicron evolved Omicron, Pango lineage B.1.1.529, was discoveed in South Afica and recognized as a variant of concern of Covid-19 by the WHO in November 2021. By the end of September, 2022, …