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 evidencebased policy options, providing technical support to countries and monitoring and assessing health trends.

Address: Avenue Appia 20, 1211 Geneva 27, Switzerland
Telephone: + 41 22 791 21 11
Fax: + 41 22 791 31 11
Website: http://www.who.int/countries/chl/