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Public Health

COVID-19 cases, hospitalizations and deaths fell nationwide this week, even as the highly transmissible omicron subvariant XBB.1.5 grew to account for about half of all U.S. infections, according to the CDC's COVID-19 data tracker weekly review published Jan. 20. 

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Holiday disruptions are likely behind discrepancies in COVID-19 data that have emerged in the last few weeks, according to health experts. The nation's daily average for hospitalizations has fallen by about 15 percent over the last two weeks, data from…

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