Term: serum sickness: a delayed allergic reaction to the injection of an antiserum caused by an antibody reaction to an antigen in the donor serum
Broader: hypersensitivity reaction: an inappropriate and excessive reaction to an allergen (as pollen or dust or animal hair or certain foods); severity ranges from mild allergy to severe systemic reactions leading to anaphylactic shock | Unrelated: rotation: the act of rotating as if on an axis
Broader: hypersensitivity reaction: an inappropriate and excessive reaction to an allergen (as pollen or dust or animal hair or certain foods); severity ranges from mild allergy to severe systemic reactions leading to anaphylactic shock | Unrelated: kalapooian: a Penutian language spoken by the Kalapuya