World Health Organization (WHO)
Avenue Appia 20,
1211 Geneva 27,
Tel: +41 22 791 2111
Fax: +41 22 791 3111
The World Health Organization (WHO) is the directing and coordinating authority for health within the United Nations system. It is responsible for providing leadership on global health matters, shaping the health research agenda, setting norms and standards, articulating evidence-based policy options, providing technical support to countries and monitoring and assessing health trends.