When Is Flu Season 2024 Dates. Is usually in the winter, the severity and timing of a flu season vary from year to year. The flu vaccine is free for those who are most vulnerable to becoming very sick if they get the flu.
โ local health officials recommend that the best time for children to receive their flu shots is before the school year begins. โ the annual flu season typically strains healthcare systems, especially when combined with heightened awareness of respiratory infections.