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The International Union against Sexually Transmitted Infections (IUSTI)

Founded in 1923, we are the oldest professional society dedicated to international cooperation in the control of STIs and HIV.

IUSTI Stacked White Logo

The International Union against Sexually Transmitted Infections (IUSTI)

Founded in 1923, we are the oldest professional society dedicated to international cooperation in the control of STIs and HIV.

Upcoming Events & Webinars

See all of our upcoming and past events and webinars by visiting our calendar.

World and European Congress

October 14-17, 2026

IUSTI - Europe Webinars

Webinar 35

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Your Support Matters

Join a global network of professionals and organizations dedicated to combating sexually transmitted infections by supporting the International Union against Sexually Transmitted Infections (IUSTI).

Learn more about our mission, discover all the regions that we serve, and become a member as we continue to grow and make a difference to control the spread of these diseases.

Become a
member of IUSTI

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to IUSTI regional and international conferences

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subscriptions to our official journal,  Sexual Health

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Quarterly Newsletter

of society activities and updates from the field

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in elections, join committees and hold leadership positions at IUSTI

IUSTI News & Resources

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The Latest IUSTI
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IUSTI Guidelines & Documents

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Latest Sexual Health Journal

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Latest International Journal of STD & AIDS