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Why is the flu season so severe this year?
The flu season is particularly intense in 2025 because of a mutated H3N2 strain called subclade K. This variant has evolved beyond the current vaccine strains, making it harder for the vaccine to provide full protection. The mutation has led to increased cases, especially among children and vulnerable groups, and a rise in hospital admissions across multiple countries.
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Are the flu vaccines effective this year?
While the flu vaccines are less effective against the mutated H3N2 strain, they still play a crucial role in reducing the severity of illness and preventing hospitalizations. Public health officials strongly recommend vaccination despite the partial mismatch, as it offers some protection and can save lives.
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What are countries doing to respond to the early flu outbreak?
Countries like the UK, US, Canada, Japan, and Australia are ramping up vaccination campaigns and public awareness efforts. Health authorities are urging people to get vaccinated immediately and are monitoring hospital capacity and flu case numbers closely to manage the surge.
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Who is most at risk from this severe flu season?
Vulnerable groups such as young children, the elderly, and those with underlying health conditions are at higher risk of severe illness. Even healthy children can become seriously ill, so vaccination and preventive measures are essential for everyone, especially those at higher risk.
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What can I do to protect myself and my family?
Getting vaccinated is the most important step. Additionally, practice good hygiene, avoid close contact with sick people, and stay home if you’re feeling unwell. Maintaining a healthy lifestyle and staying informed about local health updates can also help reduce your risk.
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Is the flu season expected to get worse?
Yes, experts warn that the flu season could intensify as the mutated strain continues to spread. The combination of viral evolution and declining vaccination rates makes it crucial to stay vigilant and follow public health advice to minimize your risk.