Leave your feedback Share Copy URL https://gographicsoutput.com/video/PcFauN7RO5A.html Email Facebook Twitter LinkedIn Pinterest Tumblr Share on Facebook Share on Twitter How the Flu Shot Blocks Infection [zYxA6MSaJbp] Health Updated on August 07, 2026 EDT — Published on August 07, 2026 EDT How the Flu Shot Blocks Infection Vk87rPDm8Ib tHJnVZNx68S HwEzcjRAplg AiHdWd3hjFB HtsHlwxZphO