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1. Sudden onset of fever A rapid high-grade fever, usually greater than 101°F (38.3°C), is one of the most important signs of the flu. In contrast to the common cold, which gradually develops ...
Flu activity remains "elevated" in the United States but is starting to show signs of abating, according to new federal data published Friday. The 2024-25 flu season was classified by the Centers ...
Flu activity remains "elevated" in the United States but is starting to show signs of abating, according to new federal data published Friday. The 2024-25 flu season was classified by the Centers ...