Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.
Definition of Immune response
Medically reviewed by Min Clinic Staff | Updated: January 2026
Immune response: Any reaction by the immune system. For example, poison ivy can cause an immune response in the skin characterized by inflammation with tiny blisters, and itching. Also, a flu shot is designed to produce an immune response by stimulating the production of antibodies against the flu virus.