The International Union against Sexually Transmitted Infections (IUSTI) is a non-governmental organisation established in 1923, [1] and has charitable status in the UK. [2] It produces guidelines for Europe on the management of sexually transmitted infections and is organisation in consultative status with the WHO. [1] It also provides training and management in the field of STIs, publishes an STI textbook, [1] and publishes the journal Sexual Health . It also runs conferences, such as IUSTI Europe Congress (as of 2024, 36 annual conferences) and the IUSTI World Congress (as of 2024, 24) [3] and many other regional meetings. [4]