This is a historic moment in global public health, demonstrating the international will to tackle a threat to health head on.

It's very difficult to evaluate a leader in a very short-term perspective because to be a leader you must be able to have a long-term perspective. You must be able to carry changes which take many years. And this is why you can really only see whether it has been a good leadership after some years have passed.

If globalization is to realise its potential as a force for good, we have to look more closely at the means by which we handle our growing interdependence. We do not have a world government, but we do have an increasingly complex network of institutions that are concerned with global governance. They are central to our future and international human rights law

Music is something I must do, business is something I need to do, and Africa is something I have to do. That's the way it breaks down in my life.

Sustainable development is development that meets the needs of the present without compromising the ability of future generations to meet their own needs.

Health is the core of human development

During my nearly five years as director-general of WHO, high-level policymakers have increasingly recognized that health is central to sustainable development.