 iii Those who go outside the village, not to study villages, but who are reachable by special efforts of our study supervisory staff. Reachable will be defined as being within 20 km of the Block Office. These women will be treated and infants dosed by the supervisor of the cluster worker. They will not be followed for morbidity, but will be followed for mortality based on home village family reports until they return to the village. After returning to the home village, they will continue to be followed for mortality and growth only not morbidity. 