Aquired immune deficiency syndrome is caused by _____________.

Acquired immune deficiency syndrome (AIDS) is specifically caused by the human immunodeficiency virus (HIV). This virus attacks the immune system, which can lead to the progression of AIDS, where the body becomes increasingly susceptible to various infections and certain cancers due to a weakened immune response. Understanding this relationship is crucial in the field of health and cosmetology, particularly in practices like skin care and makeup, where awareness of the client's health status is important for safety and treatment effectiveness.

The other viruses listed—Hepatitis B, human papillomavirus (HPV), and herpes simplex virus—are associated with other health issues but do not lead to AIDS. Hepatitis B primarily affects the liver, HPV is linked to various conditions including certain cancers, and herpes simplex is known for causing oral and genital herpes. These distinctions are important in accurately understanding how different viruses affect the body.