■ 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.…
