A rising omicron problemJan 4, 2022 | NewsOver the past four weeks, Omicron has risen rapidly in estimates, accounting for:8.0% of cases the week ending Dec. 11, 202137.9% of cases the week ending Dec. 18, 202177.0% of cases the week ending Dec. 25, 202195.4% of cases the week ending Jan. 1, 2022Source: https://www.bbc.com/news/health-55659820