Definition : Human Immunodeficiency Virus
Category : Medical » Viruses & Bacteria
Country/Region : Worldwide Worldwide
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What does HIV mean?

Human Immunodeficiency Virus (HIV) is a virus that attacks the immune system and causes HIV infection. The immune system is the body’s natural defense system against infections, such as bacteria and viruses. An HIV infection can lead to Acquired Immunodeficiency Syndrome (AIDS).