The Food and Drug Administration (FDA) is issuing a new warningTrusted Source for the Johnson & Johnson shot suggesting an increased risk of Guillain-Barré syndrome, an autoimmune reaction in which the immune system attacks the nervous system.
The Food and Drug Administration (FDA) is issuing a new warningTrusted Source for the Johnson & Johnson shot suggesting an increased risk of Guillain-Barré syndrome, an autoimmune reaction in which the immune system attacks the nervous system.
