<prompt> Mean transformation time for HIV to AIDS is:7.5 years10 years15 years12 years  <response>: Ref. Textbook of Microbiology and Immunology BY Parija. Page. 580 This is a straight forward question. Answer 10 yearsLines from WHOThe length of time can vary widely between individuals. Left without treatment, the majority of people infected with HIV will develop signs of HIV-related illness within 510 years, although this can be shorter.The time between acquiring HIV and an AIDS diagnosis is usually between 1015 yearsDefinitions of Long Term Non-Progressors, individuals were considered to be long-term nonprogressors if they had been infected with HIV for a long period 10 years, their CD4 T cell counts were in the normal range, and they remained stable over years without receiving cART. 