Leave your feedback Share Copy URL https://mypepack.gophersport.com/video/?vid=KCmbfM8NSYR Email Facebook Twitter LinkedIn Pinterest Tumblr Share on Facebook Share on Twitter Flu vaccines - how do they work? shorts [vjnJ12PSWgu] Health Updated on August 10, 2026 EDT — Published on August 10, 2026 EDT Flu vaccines - how do they work? #shorts uT8jM0GDTzB l5n5obiJQCM 2qTLQPDXoyK gniRzmiMDzO