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HIV

HIV

Overview

HIV (human immunodeficiency virus) is a viral infection that gradually destroys the immune system. Practicing effective safe sex methods significantly reduces the risk of disease transmission.

Review Date 4/9/2022

Updated by: Jatin M. Vyas, MD, PhD, Associate Professor in Medicine, Harvard Medical School; Associate in Medicine, Division of Infectious Disease, Department of Medicine, Massachusetts General Hospital, Boston, MA. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team. Editorial update 10/04/2022.