
Omicron sub-variant BA.2 is now dominant in U.S., CDC estimates
CBSN
The Omicron variant sub-lineage BA.2 now makes up a majority of new infections in the United States, the Centers for Disease Control and Prevention estimated Tuesday.
Last week, 54.9% of cases were caused by the strain nationwide. BA.2's prevalence remains highest in the Northeast, where the agency estimates that the variant made up close to three in four new infections in the region spanning New Jersey through Maine.
Federal health officials say the faster-spreading strain has not yet led to the steep climb in cases reported in many countries abroad, or many more severe cases compared to the other Omicron strains, despite circulating in the United States for months.

Merryl Hoffman knew she was taking good care of her heart. The 63-year-old attorney didn't smoke or drink, and she was an avid hiker who used to run marathons and other distance races. In her 40s, she had been diagnosed with a leaky mitral valve and underwent surgery to repair it. Every year since, she has seen a cardiologist to check her heart and its function. The reports always came back clear.

FDA to "review the latest data" on mifepristone. What could it mean for access to the abortion pill?
Health and Human Services Secretary Robert F. Kennedy Jr. has asked Food and Drug Administration Commissioner Marty Makary "to review the latest data on mifepristone," raising questions about the drug commonly referred to as the abortion pill.