A field inquiry of morbi-mortality was conducted in the district of Nonoai, RS, aimed to verify the lack of infantile mortality registries and the subnotiftcation of neonatal tetanus. Nine deaths occurred in children aged less than 1 year old (infantile mortality coefficient of 52,6/1000). None of them was known by the Regional Health Service. Two cases of neonatal tetanus were confirmed - incidence= 0,88% - both not notified to the Health State Secretary.
