Leave your feedback Share Copy URL https://mypepack.gophersport.com/video/?vid=sMzSY4GDglA Email Facebook Twitter LinkedIn Pinterest Tumblr Share on Facebook Share on Twitter Flu vaccines - how do they work? shorts [aqk2EZltruA] Health Updated on August 10, 2026 EDT — Published on August 10, 2026 EDT Flu vaccines - how do they work? #shorts QFROSBTYHV9 7N0vxRjqKUB OY2SDMOdkDY NjleJ3Vkv2e S2TLTalqnyX