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  1. Dec 4, 2014 · One strain of flu virus has mutated this year and the vaccine may not protect against it, the Centers for Disease Control and Prevention reports. The flu season's barely started this year, but ...

  2. Nov 13, 2012 · The flu is in Texas - and even if you've taken precautions you could still get sick. That's because this year's strain of the virus is not covered by this year's flu shot.

  3. Apr 3, 2024 · CDC warns bird flu that infected Texan mutated to spread more easily. The largest egg producer in the US — Cal-Maine — revealed yesterday it would need to cull 2 million birds after the virus ...

  4. Nov 10, 2023 · The search for a shot that could protect us against many strains—and maybe a pandemic—is notching achievements at last. But the flu’s endless mutation and our own biology stand in the way.

  5. Feb 7, 2023 · Annual flu vaccines are in a constant race against a rapidly mutating virus that may one day cause the next pandemic. A one-time vaccine protecting against all variants could give humanity a leg up.

  6. You can catch influenza B year-round. Swine flu, or H1N1, is a specific type of influenza A. You catch the flu from someone who has it. When people with the flu sneeze or cough, they send a spray of droplets filled with the flu virus into the air. If you're unlucky enough to be nearby, you could breathe in those droplets.

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