explain hivs and aids??
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in chemistry) a liquid substance that can dissolve metal and may burn your skin or clothes. Acids have a pH value of less than 7
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AIDS stands for Acquired Immune Deficiency Syndrome. AIDS is the most advanced stage of HIV disease.
HIV causes AIDS by attacking CD4 cells, which the immune system uses to protect the body from disease. When the immune system loses too many CD4 cells, you are less able to fight off infections and can develop serious, often deadly, infections. These are called opportunistic infections (OIs).
When someone dies of AIDS, death is usually due to OIs or other long-term effects of HIV. AIDS refers to the weakened state of the body’s immune system, which can no longer stop opportunistic infections
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