A Monitoring Guide 89 includes specific provisions on establishments of deprivation of liberty. Adopting a public health perspective, the decree tasks prison authorities with ensuring that the following obligations, among others, are met: Screening detainees upon entry to detect HIV and other STIs (with an optional medical test) Providing detainees with information about STIs and HIV/AIDS, including their symptoms In Thailand, a pilot project initiated by Doctors Without Borders (MSF) in the prison of Min Buri in 2004 provided condoms to prisoners as part of health promotion activities, resulting in drastically reduced HIV/AIDS transmission rates among detainees. Although sex remained a controversial subject in the prison, authorities acknowledged that sexual intercourse was the main mode of transmission. In the framework of the project, MSF trained health leaders among detainees whose role was to disseminate information about disease prevention and safe sex practices, and to make sure that detainees had access to condoms, counselling, and treatment. A group of detainees living with HIV/AIDS met twice a month, with the health leader providing psychological support to men who have sex with men. Specific healthcare needs of trans persons Trans detainees have specific healthcare needs, which are often neglected by prison authorities. The initial entry screening is particularly important to help identify and determine the needs of trans persons. As stated by the SPT, “the absence of adequate policies and methods of identification, registration and detention has severe consequences: obtaining precise individual information as to gender identity is vital to determining proper treatment, including hormone and other treatment associated with gender transition. In the absence of mechanisms to obtain such information, grave Chapter III Making means for the prevention of STIs available, in particular via condoms and sterile injection materials