Leave your feedback Share Copy URL https://mypepack.gophersport.com/video/?vid=DlXXeiAz1eY Email Facebook Twitter LinkedIn Pinterest Tumblr Share on Facebook Share on Twitter Flu vaccines - how do they work? shorts [OkeYARLGu3r] Health Updated on August 08, 2026 EDT — Published on August 08, 2026 EDT Flu vaccines - how do they work? #shorts CB2vxKjC3ZR A2G2d4YRXgH W0whynLefqq AGRpSgznZ6K LckWJS4YBv4