Influenza-like illness (ILI) activity jumped from 3.3% to 4.1% last week, an indicator of increasing flu activity across much of the country, the US Centers for Disease Control and Prevention (CDC) said today in its latest FluView update.

“The increase in the percentage of patient visits for ILI may be influenced in part by a reduction in routine healthcare visits during the winter holidays, as has occurred during previous seasons,” the CDC said.


Credit CDC

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Jan 4 CDC FluView