New warning to be added to J&J vaccine over rare side effect

The Johnson & Johnson vaccine will soon have a new warning from the Food and Drug Administration after the shot was linked to a rare but serious side effect in a handful of patients, it was revealed Monday. 

The side effect, Guillain-Barré syndrome — a condition that occurs when the immune system attacks the body’s nerves — has been detected in about 100 people after 12.8 million jabs of the single-dose shot were administered, the Centers for Disease Control and Prevention told the Washington Post.