HIV/AIDS and the Immune System HIV (Human Immunodeficiency Virus) is a type of virus that causes AIDS (Acquired Immunodeficiency Syndrome) AIDS is a disease that affects the immune system

HIV is a virus that once in your blood, hides in, multiplies in, then kills your immune system cells (both white blood cells and T-Cells) HIV infecting and multiplying in a healthy cell. http://www-micro.msb.le.ac.uk/Video/HIV.mov

The HIV virus hides and multiplies in T cells The HIV virus hides and multiplies in T cells. The virus then kills both T-Cells and White Blood cells

When the HIV virus kills enough T cells so that there is less than 200 T-cells per milliliter of blood, the disease is officially called AIDS Infected T-Cells

AIDS Acquired Immunodeficiency Syndrome If enough of your white blood cells and T-cells are killed, you soon will be vulnerable to any infection or disease. Because the immune system is weakened, a common cold or infection can be lethal

NO! NO! NO! NO! How is HIV transmitted? Is it transmitted? Through the air NO! On toilet seats NO! By kissing With a handshake NO! You can become infected if you receive HIV infected white blood cells found in most body fluids. The most common way of transmission is through sexual contact, sharing of infected needles, or any other blood to blood contact

HIV lab Materials Needed: 1 test tube per student Phenolphthalein (HIV test) sodium hydroxide solution (1 infected test tube) Water (all test tubes)

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