Multi System Inflammatory Syndrome in Children. (MIS-C) This was created and given a diagnostic code in 2020. It is a known side effect of the vaccine and the FDA knew it. 4200 cases of this have been reported with 40 dead children because of it. They knew this was going to happen.
A severe inflammation of multiple organs in the body including the brain, the kidneys, the spleen, the gastro-intestinal tract, the eyes, the skin. It can be deadly.