Among cosmetic surgeries, Botox is the most common plastic surgery. Botox involves injecting of a toxin called âbotulinumâ in the epidermis of the skin to get rid of the wrinkles arising out of old age.
Human immunodeficiency virus (HIV) is a virus that causes the condition acquired immunodeficiency syndrome (AIDS). The virus attacks a specific type of immune system cell in the body, known as CD4 helper lymphocyte cells. HIV destroys these cells, making it harder for your body to fight off other infections.
The effects of the HIV virus on the immune system can lead to the diseases that we call AIDS. Copyright: Production team. HIV mainly, but not exclusively, infects a type of cell of the immune system, known as CD4+ T helper cells (so called because they âhelpâ activate other immune cells).