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What factors are causing this year's flu surge?
This year's flu season is driven by the H3N2 virus, particularly the new subclade K variant, which has mutations that may reduce vaccine effectiveness. Increased virus circulation, waning immunity, and changes in virus mutations are contributing to the higher number of cases. Additionally, the timing of the season, which peaks in January or February, is also a factor.
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How effective are current flu vaccines against new variants?
While the vaccine isn’t a perfect match for the new subclade K variant, early analyses suggest it still offers some protection. Vaccination remains the best way to reduce the risk of severe illness, hospitalization, and death, especially for vulnerable populations. Experts continue to monitor how well the vaccine performs against evolving strains.
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What precautions can I take to avoid getting sick?
To protect yourself from the flu, get vaccinated if you haven't already, practice good hand hygiene, avoid close contact with sick people, and wear masks in crowded places. Maintaining a healthy lifestyle, including proper sleep, nutrition, and hydration, can also boost your immune system and help prevent illness.
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Are flu and COVID-19 risks linked this season?
While both viruses are circulating, the current data shows that COVID-19 cases are rising but remain less prevalent than the flu. However, since symptoms can overlap, it's important to get tested if you experience illness. Taking precautions like vaccination, mask-wearing, and good hygiene helps reduce the risk of both infections.
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How severe is this flu season compared to previous years?
This flu season is more severe than last year, with over 11 million illnesses and 120,000 hospitalizations estimated so far. The high activity levels across more than half the states, including New York’s worst weekly flu count since 2004, highlight its severity. Continued monitoring will determine how the season unfolds.
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When is the peak of the flu season?
Flu activity typically peaks in January or February, but it can vary each year. Staying vigilant and getting vaccinated early can help protect you during the peak months. Health officials recommend vaccination as soon as the vaccine is available to maximize protection.