AIDS stands for "Acquired Immune Deficiency Syndrome," which is what happens when a person's immune system is destroyed by the HIV virus.
According to the United Nations, more than 37 million people are living with the HIV virus, which causes AIDS. More than two-thirds of them are in sub-Saharan Africa. More than 36 million have died of AIDS related complications.
During the US election campaign, plenty was said about emails and sexual harassment. But there was little or no talk on global health or HIV. That has left Mitchell Warren, the head of advocates AVAC, worried.