World map of resistance to artemesinin anti-malarial medicines
Practically all currently available treatments for malaria are based in some form or other on a derivative of artemisinin, a plant substance that is found in the leaves and flowers of annual mugwort (Artemisia annua). However, more and more malaria parasites are becoming resistant to artemesinin – especially in South-East Asia. In order to provide an accurate view of the spread of resistance throughout the world, an international research group from more than 50 countries has drawn up a map of artemesinin resistance.
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