Prevention and Control of Chagas Disease According to WHO, the prevention and control of Chagas disease is possible with • spraying of dwellings and surrounding areas with residual insecticides • house improvements and house cleanliness to prevent vector infestation • personal preventive measures such as bed nets, good hygiene practices in food preparation, transportation, storage and consumption • development of contextualized information, education and communication activities for different actors and scenarios about preventative measures and surveillance tools • screening of blood donors • testing of organ, tissue or cell donors and receivers • access to diagnosis and treatment of people with medical indication or recommendation to do anti-parasitic treatment, especially children and women of child-bearing age before pregnancy • screening of newborns and other children of infected mothers without previous anti-parasitic treatment to do early diagnosis and provide treatment.