The World Health Organization (WHO) is a specialized agency of the United Nations that is concerned with international public health. WHO have more than 7000 people working in 150 country offices, in 6 regional offices and at their headquarters in Geneva. WHO's primary role is to direct and coordinate international health within the United Nations’ system.
The main areas of work are:
Health systems
Promoting health through the life-course
Noncommunicable diseases
Communicable diseases
Corporate services
Preparedness, surveillance, and response
WHO's current priorities include communicable diseases, in particular HIV/AIDS, Ebola, malaria and tuberculosis; the mitigation of the effects of non-communicable diseases; sexual and reproductive health, development, and aging; nutrition, food security and healthy eating; occupational health; substance abuse; and driving the development of reporting, publications, and networking.