Leave your feedback Share Copy URL https://mypepack.gophersport.com/video/?vid=Ho790ryaWDz Email Facebook Twitter LinkedIn Pinterest Tumblr Share on Facebook Share on Twitter Flu vaccines - how do they work? shorts [rMMI0DWBP7G] Health Updated on August 06, 2026 EDT — Published on August 06, 2026 EDT Flu vaccines - how do they work? #shorts yDuYW3QZOBL wHmGQkumGxL kXy1NvDJlUf rZnQpMeJnD4 C0cyVFFTPRu