Epidemics Successfully Combated with Vaccines (From 1980)

We know that an HIV vaccine will be an important part of a long-term strategy to end the HIV/AIDS epidemic. The road ahead is long, but an HIV vaccine is possible. Clinical trials—even those with disappointing results—and early-stage research provide critical clues to the way forward. This graphic is excerpted from HIV Vaccines by the Numbers: Trials, discoveries, money and more.