AIDS stands for Acquired Immunodeficiency Syndrome. It is the final stage of infection caused by the Human Immunodeficiency Virus (HIV). In AIDS, the immune system becomes very weak, making the body unable to fight off common infections and certain cancers.

Key Points You Need to Know

• Caused by HIV virus.
• “Acquired” = not inherited, but developed after infection.
• “Immunodeficiency” = weak immune system.
• “Syndrome” = a group of health problems, not just one disease.
• Without treatment, HIV infection gradually leads to AIDS.

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