Covid vaccination: The reason why your arm hurts after getting vaccine

Pain and tenderness at the site of injection are actually one of the first side-effects that kick in when you get the vaccine jab. But what causes it?

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Jul 6, 2021 - 20:34
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Covid vaccination: The reason why your arm hurts after getting vaccine
Pain and tenderness at the site of injection are actually one of the first side-effects that kick in when you get the vaccine jab. But what causes it?