Diphtheria Outbreak in Kaduna Claims 20 Lives, Records 156 Cases, Reports NPHCDA Diphtheria Outbreak in Kaduna Claims 20 Lives, Records 156 Cases, Reports NPHCDA. In a concerning development, the National Primary Health Care Development Agency (NPHCDA) has reported a diphtheria outbreak in Kaduna State, Nigeria. As of the latest update, the outbreak has claimed the […]