Prior exposure to one strain of influenza virus may weaken children's ability to mount an effective antibody response against their subsequent exposure to a different flu strain, according to a study ...

Among children and adolescents, the risks for influenza and COVID-19 were raised if they had been newly diagnosed with ...

The flu epidemic is stabilizing. The positivity rate and other benchmarks for the week ending on Jan. 10 have decreased compared with the previous week, according to the latest data from the Centers ...

If it feels like everyone around you has come down with the flu, you're not imagining it. As of Jan. 9, the U.S. Centers for Disease Control and Prevention (CDC) estimates that at least 15 million ...

This year's fierce flu season is not over. Although parts of the United States are seeing downward trends, influenza activity remains elevated nationally. The 2025-2026 flu season is already shaping ...