An official website of the United States government
Here’s how you know
Official websites use .gov A
.gov website belongs to an official government
organization in the United States.
Secure .gov websites use HTTPS A
lock (
) or https:// means you’ve safely connected to
the .gov website. Share sensitive information only on official,
secure websites.
URL of this page: //medlineplus.gov/ency/article/001361.htm
Hyperimmunization
Hyperimmunization is the presence of a larger than normal number of antibodies to a specific antigen. This creates a state of immunity that is greater than normal. Immune system overactivity can cause many different diseases.
Crow MK. The innate and adaptive immune system. In: Goldman L, Cooney KA, eds. Goldman-Cecil Medicine. 27th ed. Philadelphia, PA: Elsevier; 2024:chap 35.
Review Date 7/3/2025
Updated by: Linda J. Vorvick, MD, Clinical Professor Emeritus, Department of Family Medicine, UW Medicine, School of Medicine, University of Washington, Seattle, WA. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.
