AIDS, which stands for Acquired Immunodeficiency Syndrome, is caused by the Human Immunodeficiency Virus (HIV). The primary mode of transmission of HIV is through the exchange of certain body fluids from an infected person to another. This includes:
Therefore, the spread of AIDS is accurately described as occurring through body fluids. This can happen during unprotected sexual intercourse, sharing needles, from mother to child during childbirth or breastfeeding, and through blood transfusions involving infected blood. AIDS does not spread through food, air, or water, as these do not involve the exchange of the aforementioned fluids.