Learn more about HIV in healthcare market research… February 17, 2011 In 1981, when doctors started to notice that an increasing number of gay men were succumbing to opportunistic infections, alarm bells began to ring, yet few could have guessed the terrible impact and global reach of the human immunodeficiency virus. Since then, an estimated 39 million people have died from AIDS-related illnesses, including 1.5 million people in 2013. Back to blogs written by GKA