Advisory Board January 13, 2026
Flu activity remains high across the United States, with children being hit especially hard and some hospitals reporting capacity restraints.
Where flu cases are the highest
According to CDC, for the week ending Jan. 3, the flu test positivity rate was 24.7%, a decrease from the week before. However, rates of influenza-like illness (ILI) remained high across the country. Overall, 42 U.S. states and the District of Columbia had high or very high ILI activity, five states had moderate ILI activity, and three states had low ILI activity.
Flu hospitalizations also remain high, with almost 40,000 people admitted to hospitals with influenza for the week ending Jan. 3. During this time, the weekly hospitalization rate was 8.7 per 100,000...
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