EVERYDAY SCIENCE

Detailed explanation-1: -When AIDS occurs, your immune system has been severely damaged. You’ll be more likely to develop diseases that wouldn’t usually cause illness in a person with a healthy immune system. These are called opportunistic infections or opportunistic cancers.

Detailed explanation-2: -HIV (human immunodeficiency virus) is a virus that attacks the body’s immune system. If HIV is not treated, it can lead to AIDS (acquired immunodeficiency syndrome). There is currently no effective cure. Once people get HIV, they have it for life.

Detailed explanation-3: -HIV finds the white blood cells, called CD4 cells. HIV gets inside the CD4 cell and makes copies of itself. Then, HIV kills the CD4 cell and the new HIV copies find other CD4 cells to get inside and start the cycle again. HIV kills immune system cells that help the body fight infections and diseases.

Detailed explanation-4: -AIDS virus (HIV) can be transmitted in the following ways: It mainly spreads through unprotected intercourse as it is a sexually transmitted disease. It also spreads due to the transfusion of blood contaminated with an AIDS virus. It also spreads through the use of infected needles for injections.

Detailed explanation-5: -Having HIV weakens your body’s immune system. It destroys the white blood cells that fight infection. This puts you at risk for opportunistic infections (OIs). OIs are serious infections that take advantage of your weak immune system.