Leave your feedback Share Copy URL https://mypepack.gophersport.com/video/?vid=QK19Mb2RTZ8 Email Facebook Twitter LinkedIn Pinterest Tumblr Share on Facebook Share on Twitter Flu vaccines - how do they work? shorts [9I4T6Brl07q] Health Updated on August 08, 2026 EDT — Published on August 08, 2026 EDT Flu vaccines - how do they work? #shorts uPDsqHA0o3x KFNZUBNpszY Wct8Hiym3Au 2bFBiNvFU0D 3moKTaxbUkH