Immunization is a process to initiate or augment resistance to an infectious disease. The goal of immunization is to prevent, and in some cases eradicate, potentially serious, life-threatening diseases.
Review Date 8/29/2020
Updated by: Neil K. Kaneshiro, MD, MHA, Clinical Professor of Pediatrics, University of Washington School of Medicine, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.