Trends in HIV/AIDS cases diagnosed in Japan from 2006 to 2015. (A) Cumulative numbers of HIV/AIDS diagnosed cases from 2006 to 2015 in Japan, Tokyo, Osaka, Fukuoka, and Japan without Tokyo prefecture (Japan except for Tokyo). (B) and (C) Changes in annual HIV/AIDS diagnosed cases in Japan (closed circles), Japan except for Tokyo (open circles), Tokyo (open squares), Osaka (open reverse triangles), and Fukuoka (open triangles). Data were obtained from the HIV/AIDS national surveillance report (AIDS Surveillance Committee, 2016). HIV: cases diagnosed with HIV infection prior to AIDS onset; AIDS: cases diagnosed after AIDS onset; %AIDS: frequency of AIDS to the sum of HIV and AIDS.