Azithromycin for Child Survival in Niger: Delivery Trial

Inclusion Criteria: At the community-level, eligibility includes: * Location in one of the 80 Dosso communities randomly selected for the delivery trial * Population 250 to 2,499\* * Distance \> 5 km from the district headquarters town * Verbal consent of community leader(s) At the individual-level, eligibility includes: * Age 1-59 months * Primary residence in a study community * Verbal consent of caregiver/guardian for study participation * Weight ≥ 4 kg Exclusion Criteria: At the community-level, eligibility includes: * Inaccessible or unsafe for study team * "Quartier" designation on national census \*Population size as estimated from the most recent national census or projections At the individual-level, eligibility includes: • Known allergy to macrolides