FDA adds warning of rare reaction risk to J&J COVID-19 vaccine

It announced the new warning, flagging reports of Guillain-Barre syndrome, an immune system disorder that can causes muscle weakness and occasionally paralysis.

FDA adds warning of rare reaction risk to J&J COVID-19 vaccine
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It announced the new warning, flagging reports of Guillain-Barre syndrome, an immune system disorder that can causes muscle weakness and occasionally paralysis.