In the United States, influenza (flu) season lasts from October through May, with peak flu activity between December and March.
What’s more, flu season in the Southern Hemisphere often indicates what’s to come in the United States. Data revealed that the 2024 flu season in the Southern Hemisphere was similar to previous flu seasons. With the potential for this year’s flu season to be severe in the United States, vaccination remains the most effective way to prevent the flu, especially severe disease and hospitalization.
The U.S. Centers for Disease Control and Prevention (CDC) estimates that the flu caused between 9 million and 41 million illnesses annually between 2010 and 2023.
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