Data on confirmed Covid cases in England show how the Omicron variant is already taking hold in the country
Proportion of confirmed positive tests that didn’t detect the spike protein increased from 0.1% to 0.3%
One scientist said it equates around 60 more cases with hallmark than usual, suggesting Omicron infections
Comes as R rate spirals from less than one to 3.5 in South Africa’s Omicron epicentre Gauteng province
Lead UK epidemiologist says Omicron infections likely appear mild because of immunity from past infections
WHO officials suggested on Thursday that Covid cases were milder in those who caught the Omicron strain
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