Is the population of Bonaire, St. Eustatius and Saba adequately protected against infectious diseases such as measles and polio? How often does dengue fever strike? What are personal living conditions like and what sort of chronic diseases (e.g. diabetes) occur? In order to answer these and other questions, the Health Study will be carried out in May and June 2017. The results of this study could help to prevent and combat these diseases even more effectively in the future.