UMC - Uppsala Monitoring Centre
- A WHO collaborating center for international drug monitoring, located in Uppsala, Sweden.
- http://www.who-umc.org/

Pac Elf - Elimination Of Lymphatic Filariasis in the South Pacific
- Dedicated to eliminating Lymphatic Filariasis in the Pacific by the year 2010.
- http://www.pacelf.org/

WHO KOBE Centre
- International and interdisciplinary investigations of issues relating to global health and welfare systems development.
- http://www.who.or.jp/

International Agency for Research on Cancer (IARC)
- Coordinates research on the causes of human cancer and develops scientific strategies for cancer control.
- http://www.iarc.fr/

WHO Europe
- Public health assistance and development in East and West Europe. Health statistics and highlights of the health situation in each European state. Serves as a regional office of WHO.
- http://www.who.dk/

Pan American Health Organization (PAHO)
- International public health organization with myriad resources and information on health in the Americas. Serves as a regional office of WHO.
- http://www.paho.org/

WHO Eastern Mediterranean
- Regional office. Country profiles, health statistics, and other information services.
- http://www.emro.who.int/