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. The update shows how hard it is to track the fast-spreading variant in real time and how poorly the agency has communicated its uncertainty, experts said.
The Centers for Disease Control and Prevention on Monday cut the recommended isolation time for people with asymptomatic coronavirus infections from 10 days to five days.
Healthy individuals who have been vaccinated, and especially those who have been boosted, appear unlikely to develop severe infections from the omicron variant that would land them in the hospital, medical experts say.
Flight disruptions triggered by weather and coronavirus-related staffing shortages appeared to ease slightly Tuesday, but still amounted to more than 800 cancellations, stranding holiday travelers across the country as many try to return home.
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