Flu activity is starting to rise. Is this year’s vaccine a good match? NBC NewsOpinion | I moved up my flu shot appointment. You should, too. The Washington PostFlu season is kicking off early — are you getting a vaccine? Live ScienceFlu season has begun in Lancaster County: here’s what you should know LancasterOnlineFlu season 2026 is ramping up early—here’s what you need to know Scientific American