CEVAP:

WHO is mandated to direct and coordinate authority on international health within the UN system in several ways, including to:
• provide leadership on matters critical to health and engage in partnerships where  joint action is needed,
• shape the research agenda and stimulate the generation, translation, and dissemination of valuable knowledge,
• set norms and standards and promote and monitor their implementation,
• articulate ethical and evidence-based policy options,
• provide technical support, catalyze change, and build sustainable institutional capacity,
• monitore the health situation and assess health trends (http://www.who.int).