If omicron turns out to be a major disaster heading our way, inactivity by those in charge would be attacked as vehemently as the return of a few rules to try to limit the possible danger.
Just waiting for the science to determine omicron's effects are going to be negligible or significant is just not thinkable.
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An estimated 92.8% of the adult population in England, 91.4% in Wales, 93.3% in Northern Ireland and 92.5% in Scotland tested positive for COVID-19 antibodies in the week beginning 1 November 2021.
Across the four UK countries, 93.1% to 95.8% of adults had received at least one dose of a COVID-19 vaccine and 83.5% to 89.8% of adults had received at least two doses.
https://www.ons.gov.uk/peoplepopulat...ights/vaccines