Prognosis
As Delta Retreats Experts Warn Darker Days Lie Ahead for Hospitals
The omicron variant represents about 98% of cases in the U.S., up from 71.3% two weeks ago.
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The highly infectious omicron variant has flushed out the delta strain across the U.S., but the ascendance of the purportedly milder form of Covid-19 has done nothing so far to ease the burden on stretched hospitals.
The omicron variant represents about 98% of cases, Centers for Disease Control and Prevention Director Rochelle Walensky said Tuesday. That number is based on data for the week ending Jan. 8 and is a significant increase from just two weeks prior, when omicron accounted for 71.3% of cases.