Leave your feedback Share Copy URL https://mypepack.gophersport.com/video/?vid=56PFvExWITA Email Facebook Twitter LinkedIn Pinterest Tumblr Share on Facebook Share on Twitter Flu vaccines - how do they work? shorts [kNPZRtN3hbv] Health Updated on August 08, 2026 EDT — Published on August 08, 2026 EDT Flu vaccines - how do they work? #shorts PEnnd5gZXGz 0KtYO29xkjD VcD4mStjalC RXaiBrvKH07 U9R64qj3yFa