Natalie is sexually active and wants to avoid contracting AIDS.To prevent that from happening,Natalie most clearly needs to avoid unprotected sex with partners infected with

A) bacterial STIs.
B) HPV.
C) a herpes virus.
D) HIV.

AIDS

Acquired Immunodeficiency Syndrome, a chronic, potentially life-threatening condition caused by the human immunodeficiency virus (HIV) that damages the immune system.

Unprotected Sex

Engaging in sexual activities without the use of contraceptives or barrier methods, increasing the risk of sexually transmitted infections (STIs) and unwanted pregnancies.

HIV

Human Immunodeficiency Virus, a virus that attacks the immune system and can lead to AIDS if not treated.