translate English to French: At its substantive session of 1999, the Council took note of the change in name of the programme, from the Joint and Co-sponsored United Nations Programme on Human Immunodeficiency Virus/Acquired Immunodeficiency Syndrome to the Joint United Nations Programme on Human Immunodeficiency Virus/Acquired Immunodeficiency Syndrome (UNAIDS).
À sa session de fond de 1999, le Conseil a noté que le Programme porterait désormais le nom de Programme commun des Nations Unies sur le virus de l'immunodéficience humaine/syndrome d'immunodéficience acquise (VIH/sida).