AIDS-related complex: A term used in the early years of the AIDS epidemic to describe people with HIV infection who had only mild symptoms of illness, such as swollen lymph glands. It is rarely used today. Abbreviated ARC. SLIDESHOW A Timeline of the HIV/AIDS Pandemic See Slideshow From Resources for Staying Well What LGBTQ+ People Should Know About PrEPWhat I Learned from Having HIVLearn About HIV Risk & Prevention Featured Centers What Are the Best PsA Treatments for You?Understanding Biologics 10 Things People With Depression Wish You Knew Health Solutions From Our Sponsors Shot-Free MS Treatment Your Child and COVID-19