maybe they mean the South as in South Africa LOL
copied from wikipedia
Most of those infected live in sub-Saharan Africa.[8] Between its discovery and 2014 AIDS has caused an estimated 39 million deaths worldwide.[15] HIV/AIDS is considered a pandemic—a disease outbreak which is present over a large area and is actively spreading.[16] HIV is believed to have originated in west-central Africa during the late 19th or early 20th century.[17] AIDS was first recognized by the United States Centers for Disease Control and Prevention (CDC) in 1981 and its cause—HIV infection—was identified in the early part of the decade.[18]
