In 2008 approximately 1.2 million people in the United States had HIV; 20% did not realize that they were infected.[7] Over the 10-year period from 1999-2008 it resulted in about 17,500 deaths per year.[7] In the United Kingdom, as of 2009, there were approximately 86,500 cases and 516 deaths.[8] In Australia, as of 2009, there were about 21,171 cases and around 23 deaths.[9] In Canada as of 2008 there were about 65,000 cases and 53 deaths.[10]