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WHO exercises copyright over its information to make sure that it is used in accordance with the Organization's principles. Extracts of WHO information can be used for private study or for educational purposes without permission. Wider use requires permission to be obtained from WHO.


WHO licenses its published material widely, in order to encourage maximum use and dissemination. If you are interested in obtaining a licence (either commercial or non-commercial) from WHO, please click on the links below for more information and the applications procedure.