Guillain-Barre Syndrome (GBS) is a rare autoimmune disorder in which a person’s own immune system mounts an inflammatory response and causes damage to his or her peripheral nerves.

SIRVA is shoulder pain after vaccination caused by the vaccine injection itself.

Rheumatoid arthritis (RA) is categorized as an inappropriate immune system response, when the immune system attacks the membrane lining the joints. This may cause inflammation, pain, stiffness, redness, swelling, and warmth in the affected joint.


Anaphylaxis is a severe, sometimes life-threatening, allergic reaction that affects the whole body.