Immunizations (vaccinations) are given to initiate or augment resistance to an infectious disease. Immunizations provide a specialized form of immunity that provides long-lasting protection against specific antigens, such as certain diseases. Update Date: 06/16/2008David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
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