Bangladesh and HIV problem Building on achievements and aspirations to avert a generalized epidemic. Since 1981, when AIDS was first manifested in the United States, the worldwide scenario of HIV and AIDS undergone diverse momentum. It has gradually affected many lives in different manners, differing from country to country. The epidemiological evolution of HIV and AIDS makes it clear that the changes faced today are different from what the world had faced 29 years ago and when it peaked in the mid-to-late ‘90s. According to the 2010 UNAIDS report on the global AIDS epidemic, since1999-the year in which it is thought that epidemics peaked –the number of new infections has globally fallen by 19 per cent. However, in some developing countries, HIV infectivity increased by at least 25 per cent between 2001 and 2009. Among young people in 15 of the most severely affected countries, HIV prevalence has fallen by more than 25 per cent as they have adopted safer sexual practices. Young people’s knowledge and abilities to protect themselves from AIDS is increasing but needs to grow further.