The Centers for Disease Control and Prevention on Tuesday estimated that the Omicron variant was responsible for about 59 percent of COVID cases nationwide in the week ending Dec. 25, reports The New York Times, "a significant decrease from the agency's previous estimate." Experts told the Times that such revisions reveal "how hard it is to track the fast-spreading variant in real time and how poorly the agency has communicated its uncertainty."
Last week, the CDC estimated that Omicron accounted for approximately 73 percent of cases for the week ending Dec. 18, but has now had to revise that down to 23 percent.
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