■ Question: I got my flu vaccine in September, but now there is a newer, more contagious strain of flu… how will my old-style flu vaccine stack up?
■ Answer: Flu viruses change over time, and a newer variant called influenza A (H3N2) subclade K is going around this season. The good news is that real-world studies show the current flu vaccine is still providing strong protection against severe illness from this variant and others. Getting your flu shot is still the best way to protect yourself.
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