@WHO: Antigen is the 🗝️ ingredient in a vaccine. It's either a tiny part of the disease-causing organism, or a weakened, non dangerous version. It's tiny enough that our body can learn to fight the virus without getting sick. Learn more 👉https://t.co/lIq4zTwA8d #VaccinesWork https://t.co/KquDXPaX2s

@WHO: Antigen is the 🗝️ ingredient in a vaccine. It's either a tiny part of the disease-causing organism, or a weakened, non dangerous version. It's tiny enough that our body can learn to fight the virus without getting sick. Learn more 👉https://t.co/lIq4zTwA8d #VaccinesWork https://t.co/KquDXPaX2s

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