Flu Shots 2026: Free Vaccines and Coverage Guide
News Context
At a glance
- For the 2025-2026 flu season, the Centers for Disease Control and Prevention recommends seasonal flu vaccination for children, pregnant women, and adults using only single-dose formulations of flu...
- This guidance, updated for the current season, reflects ongoing efforts to minimize preservative exposure while ensuring broad protection against influenza.
- The timing of flu season remains variable, typically beginning in the fall, with activity usually peaking between December and February.
For the 2025-2026 flu season, the Centers for Disease Control and Prevention recommends seasonal flu vaccination for children, pregnant women, and adults using only single-dose formulations of flu vaccine that are free of thimerosal as a preservative.
This guidance, updated for the current season, reflects ongoing efforts to minimize preservative exposure while ensuring broad protection against influenza. All flu vaccines for the 2025-2026 season are trivalent, meaning they are formulated to protect against three main seasonal influenza viruses: an A(H1N1) virus, an A(H3N2) virus, and a B/Victoria lineage virus.
