Breaking News: The C.D.C. lowered its estimate of Omicron’s prevalence in the U.S., showing the agency’s struggle to communicate its uncertainty.

View in browser | nytimes.com   BREAKING NEWS The C.D.C. lowered its estimate of Omicron's prevalence in the U.S., showing the agency's struggle to communicate its uncertainty. Tuesday, December 28, 2021 3:08 PM EST The Centers for Disease Control and Prevention estimated that the Omicron variant now accounts for roughly 59 percent of all Covid cases in the United States, a significant decrease from the agency's previous estimate. Read the latest   ADVERTISEMENT You received this email because you signed up for NYTimes.com's Breaking News Alerts. To stop receiving these emails, unsubscribe or manage your email preferences. Subscribe to the Times Get the NYT app Change Your Email Privacy Policy Contact Advertise California Notice The New York Times Company, 620 Eighth Avenue, New York, NY 10018