Leave your feedback Share Copy URL https://realcad.org/video/?vid=SdUUaSLTvb4 Email Facebook Twitter LinkedIn Pinterest Tumblr Share on Facebook Share on Twitter How the Flu Shot Blocks Infection [rfcI3epyEC1] Health Updated on August 08, 2026 EDT — Published on August 08, 2026 EDT How the Flu Shot Blocks Infection aS96mxlsbIU aHipT03GALK s99Oox8k0ZU GPhjlihyqaG