AIDS stands for (acquired immunodeficiency syndrome). It is a disease in which the body's immune system breaks down and is unable to fight off infections, known as "opportunistic infections," and other illnesses that take advantage of a weakened immune system. this is caused via virus which is named as HIV(Human immunodefeciency virus) it is a member of a group of virus called as retrovirus. infects human cells and uses the energy and nutrients provided by those cells to grow
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