Leave your feedback Share Copy URL https://mypepack.gophersport.com/video/?vid=OqjeMEbV3LP Email Facebook Twitter LinkedIn Pinterest Tumblr Share on Facebook Share on Twitter Flu vaccines - how do they work? shorts [NEwfuXhg400] Health Updated on August 09, 2026 EDT — Published on August 09, 2026 EDT Flu vaccines - how do they work? #shorts ZI6rx7OyA5k da0vQhUzEOd JHFrLLhrz15 rBYjO17hEAQ u2JkuiTT5dc