The Omicron coronavirus variant is spreading far faster across the US than health officials had expected, accounting for almost three-quarters of new cases, according to data from the Centers for Disease Control and Prevention.
On Monday the CDC released its latest figures for the proportion of infections caused by Omicron, estimating that the variant now makes up 73 per cent of cases — up from 13 per cent in the previous week.
The rate of spread of the new strain has far outpaced officials’ expectations. Just three days ago, Rochelle Walensky, CDC director, said she expected Omicron to become the dominant strain “in the coming weeks”, while one administration official told Politico last week they expected it to do so “within four weeks”.
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