In the 1980s and early 1990s, the outbreak of HIV and AIDS swept across the globe. Today, more than 70 million people have been infected with HIV, and about 35 million have died from AIDS since the start of the pandemic. However, scientific advances, such as the development of antiretroviral drugs, have enabled people with access to treatment to live long and healthy lives with HIV. But, there is still no vaccine and cure for it. In history, only two persons have been cleared of the infection, one in Berlin and now the second one in London.