Flu 2025 Visual. One influenza virus is causing great concern right now and is teetering on the edge of being a serious problem in 2025. So far this season, the cdc estimates, there have been at least 5.3 million flu illnesses, 63,000 hospitalizations, and 2,700 deaths—including at least 11 children.
The biggest drop in effectiveness this year may be the result of fewer cases from a(h1n1)pdm09, a strain that has spread since the h1n1 swine flu pandemic in 2009. So far this season, the cdc estimates, there have been at least 5.3 million flu illnesses, 63,000 hospitalizations, and 2,700 deaths—including at least 11 children.