Tribune Online
Diphtheria: Lagos, Katsina record 23 suspected cases in March, no deaths — NCDC

According to the NCDC, Kano, Yobe, Katsina, Bauchi, Borno, Kaduna, and Jigawa accounted for 96.3 percent of all suspected cases.

Diphtheria: Lagos, Katsina record 23 suspected cases in March, no deaths — NCDC
Tribune Online