One of the world's biggest drugs companies yesterday relaxed its patent over two Aids drugs, allowing manufacturers in South Africa to produce cheaper copies for local use, after protests from the scientific community.

World leaders in health philanthropy will convene in London for an Inaugural Global Health Philanthropy Summit, to be held at the Royal College of Physicians from 9-11 May 2001. The Academy for International Health Philanthropy's Summit will address how philanthropists can make a greater and lasting impact on world health by pooling knowledge and by more effective targeting of their support. Registrations applications are available at the AIHP website or by e-mail.