Documentation leading to the donation of an essential antiparasitic medicine for the treatment of Chagas disease to the World Health Organization WHO is in the final stage of preparation A three year agreement between the Mundo Sano Foundation Brazil and WHO is expected to make available 108 000 tablets of the paediatric formulation of benznidazole a first line medicine against Chagas disease Treatment with benznidazole in the early stages of infection can cure Chagas disease