Leave your feedback Share Copy URL https://gographicsoutput.com/video/J9ePyZdlGPI.html Email Facebook Twitter LinkedIn Pinterest Tumblr Share on Facebook Share on Twitter How the Flu Shot Blocks Infection [BViBk5DF0uu] Health Updated on August 11, 2026 EDT — Published on August 11, 2026 EDT How the Flu Shot Blocks Infection MIzLdTVSBg6 wPkoxPchd2e hzqbXpPsgRx WTiHJYrkndQ