We are the International AIDS Society
We convene, educate and advocate for a world in which HIV no longer presents a threat to public health and individual well-being.
Find out more
Registration is open for IAS 2025, the 13th IAS Conference on HIV Science, which will take place in Kigali, Rwanda, and virtually, from 13 to 17 July!
Keep your IAS membership and IAS 2025 registration up to date!
If you have changed your email address or lost access to the email used for your IAS membership or IAS 2025 registration, please contact info@ias2025.org to update your details and ensure you receive important communications.
Why HIV could be poised for a monumental comeback
Annual letter
Annual letter
Restore access to all PEPFAR-supported HIV services immediately
IAS "PEPFAR waiver" statement
IAS "PEPFAR waiver" statement
PEPFAR freeze threatens millions of lives
IAS "PEPFAR freeze" statement
IAS "PEPFAR freeze" statement
The IAS unites the global HIV response because progress happens when science, policy and activism come together. Here’s how we do this:
IAS 2025
The 13th IAS Conference on HIV Science
IAS 2025, the 13th IAS Conference on HIV Science, will take place in Kigali, Rwanda, and virtually, from 13 to 17 July 2025. Pre-meetings will be held on 13 July.
View detailsEvents
28 May 2025
Webinar – “HIV prevention at a crossroads: Why we still need an HIV vaccine”
Explore the need for an HIV vaccine amid evolving prevention tools and an uncertain political climate in this webinar. View details View details3 Jun 2025
2025 HIV Vaccine Science Academy
The HIV Vaccine Science Academy awards fellowships to 15 early- to mid-career HIV vaccine researchers in central, eastern, southern and western Africa to take part in workshops on HIV vaccine research. The academy supports change makers in establishing themselves as independent researchers and team leaders in their institutions. It also contributes to the development of a sustainable international network of African researchers. View details View details19 Jun 2025
2025 Research-for-Cure Academy
The academy awards fellowships to up to 15 applicants to participate in a series of interactive workshops View details View detailsSee us make a difference
Sign up to receive our newsletter. Stay updated on our efforts and impact and learn how to make a difference.
Meet the Young Leaders
“My experience as an IAS Young Leader was a pivotal part of my journey as a young HIV activist and sex worker.”
Read more
Elizabeth Atieno Onyango
The IAS at a glance
We unite scientists, policy makers and activists to galvanize the scientific response, build global solidarity and enhance human dignity for all people living with and affected by HIV. Here are some numbers that show how we do that.
676
IAS change makers. Carefully selected HIV researchers, advocates, healthcare providers and others help us drive an evidence-based HIV response that puts people first.
17,000+
IAS Members worldwide. We convene people from diverse backgrounds to drive a shared vision of a world in which HIV is no longer a threat to public health and individual well-being.
4,219
Scientific studies shared through our conferences and the Journal of the International AIDS Society in 2022/23. We advocate for evidence-based progress to improve the lives of people living with and affected by HIV.
Quick links to our activities
Closing scientific gaps
Collaborative Initiative for Paediatric HIV Education and Research (CIPHER) Global HIV Vaccine Enterprise Towards an HIV CureDisseminating the latest research
IAS Educational Fund Journal of the International AIDS Society (JIAS)Improving health services
Community-Led Monitoring Differentiated Service Delivery Heart of Stigma Mark Wainberg Fellowship Programme Person-Centred Care Youth HubThe IAS promotes the use of non-stigmatizing, people-first language. The translations are all automated in the interest of making our content as widely accessible as possible. Regretfully, they may not always adhere to the people-first language of the original version.