[Committees for the prevention of infant mortality in the State of Paraná, Brazil: implementation and operation].

This article reports on the implementation and operation of committees for the prevention of infant mortality in the State of Paraná, Brazil, with the operational strategies, formation, and relations at three levels: State, regional, and municipal. To implement the committees it was necessary to train professionals to investigate infant deaths. In two years the committees analyzed 50% of the infant deaths occurring in the State.