No reliable data are available from most Brazilian states for a number of child health indicators, such as nutritional status, breast feeding, vaccine coverage, incidence and management of infectious diseases, and coverage of antenatal and perinatal services. How ever a methodology has been developed for state-wide, community-based health surveys for the obtaining of such information, which was recently applied in studies of representative samples of children from the states of Ceará, Sergipe and Rio Grande do Norte in Northeastern Brazil. […]