| Influenza (flu) |
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The 2023-2024 United States flu season began in late 2023, with activity rising steadily through the fall. Influenza activity reached its main peak in December 2023, followed by a smaller secondary rise in February 2024, giving the season two distinct peaks. Activity declined afterward, and the season ended in early 2024 as influenza circulation returned to low levels. [1]
From October 1, 2023 through April 30, 2024, CDC estimates that there were 40 million people were sick with influenza, 18 million medical visits, 470,000 influenza-related hospitalizations, and 28,000 influenza-related deaths occurred. [2]