"Only 22.5% of US Covid-19 infections recorded in the week that ended on December 18 were linked to Omicron, rather than the 73.2% estimate that was announced last week, the CDC said on Tuesday."
"Only 22.5% of US Covid-19 infections recorded in the week that ended on December 18 were linked to Omicron, rather than the 73.2% estimate that was announced last week, the CDC said on Tuesday."