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Cooperation between the Pan American Health Organization/World Health Organization (PAHO/WHO) and the International Atomic Energy Agency (IAEA) is formalized through a Practical Arrangement, signed by both organizations in October 2012.

The Practical Arrangement covers collaboration in quality and safety in radiation medicine (radiotherapy, diagnostic radiology and nuclear medicine), radiological safety, security and emergencies, information sharing and other joint activities in PAHO/WHO member countries, particularly in Latin America and the Caribbean.

Other general areas of cooperation under the agreement include medical physics, non-communicable diseases, nutrition, including reducing the burden of stunting and childhood obesity, environmental health, health personnel development and health information and knowledge management, including production of joint publications.

PAHO and IAEA also have critical and complementary networks in their Member States that can facilitate joint actions in areas of common interest to achieve the promotion of health and prosperity in the Region of the Americas.

Nuclear technology is used in a wide range of medical applications: radiotherapy, X-rays and nuclear cardiology are some of the best known. IAEA and PAHO/WHO have collaborated for more than four decades in radiation safety and related areas of interest to PAHO/WHO Member States. Under the new agreement, the agencies will work together to provide assistance to countries in training and capacity building, including through the development of joint educational and training courses; participation in expert missions to assess country requests for support; strengthened research efforts; and the exchange and dissemination of information, including through joint publications.


The Pan American Health Organization (PAHO) serves as the Regional Office for the Americas of the World Health Organization (WHO) and is a member of the United Nations system. It is also the specialized agency for health within the inter-American system. PAHO has been working for 110 years with its Member States to improve the health and quality of life of the peoples of the Americas.    

Resources and articles

The International Atomic Energy Agency and the Pan American Health Organization sign a Practical Arrangement to enhance their collaboration

Responsible/Contact: Department of Technical Cooperation | Last update: 14 Sep, 2015

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