'Hypersensitivity Reactions'

Hypersensitivity (also called hypersensitivity reaction or intolerance) refers to undesirable reactions produced by the normal immune system, including allergies and autoimmunity. They are usually referred to as an over-reaction of the immune system and these reactions may be damaging, uncomfortable, or occasionally fatal.
Facebook:
Instagram:

hypersensitivity,reaction,immunology,