Last year’s flu season was notably intense due to a mutated flu variant known as H3N2 subclade K. This variant led to an increase in doctor visits for flu-like symptoms, reaching a record high over the past 30 years in the U.S.

As the new flu season approaches, experts are advising people to prepare and protect themselves. Public health professionals strongly recommend vaccination as the primary defense against winter viruses. Vaccination remains the most efficient way to reduce the risk of contracting the flu and its complications.

The unpredictable nature of flu viruses makes it essential for individuals to stay informed and follow guidelines provided by health authorities. Early vaccination and awareness can help mitigate the impact of the flu season.

Rebecca Blackwell / AP file
Sept. 2, 2026, 6:06 PM EDT