Add Yahoo as a preferred source to see more of our stories on Google. In the early days of the AIDS crisis, there were no treatments for people with HIV and no pre-exposure prophylaxis (PrEP), a prescription-based daily pill or an injection that people not living with HIV can take to prevent HIV infection, to prevent its spread.

Add Yahoo as a preferred source to see more of our stories on Google. Today, February 7, is National Black HIV/AIDS Awareness Day.