"More than 38 million people around the world live with HIV/AIDS. For decades, scientists have been studying AIDS and the HIV virus that causes it. This fascinating book describes its emergence as a new disease and the reasons why it took as long as it did to find a treatment. Find out how, thanks to new treatments and technologies, this disease that was once almost unstoppable can now be effectively treated and, in some cases, cured"-- Provided by publisher.