KIGALI, Rwanda  The WHO chief on Monday called on world leaders to prioritize HIV prevention and embrace meaningful partnerships in an effort to achieve the goal of ending AIDS. Addressing the International AIDS Society conference on HIV Science in Kigali, the capital of Rwanda, Tedros Adhanom Ghebreyesus said governments, scientists, civil society and affected communities must stand together to uphold advances made in treatment, prevention, and care services. “For over two decades, sustained