“HIV” stands for Human Immunodeficiency Virus. To understand what that means, let’s break it down: H – Human – This particular virus can only infect human beings. I – Immunodeficiency – HIV weakens your immune system by destroying important cells that fight disease and infection. A "deficient" immune system can't protect you. V – Virus – A virus can only reproduce itself by taking over a cell in the body of its host.
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