<p>Toxigenic Corynebacterium diphtheriae was isolated from samples tested. As of epi-week 11, 2023, a total of 1,064 suspected cases were reported across 21 states out of which 389 (36.6%) were confirmed cases. Kano State accounted for 377 (96.9%) of the confirmed cases. Of the confirmed cases reported, 305 (78.4%) were children 2-14 years old, 60 (15.4%) were fully vaccinated against diphtheria and 211 (54.2%) were female. A total of 62 deaths (case fatality rate: 15.9%) were recorded among confirmed cases. Of the 42 Toxigenic Corynebacterium diphtheriae isolates subjected to AST, 40 (95.2%) were susceptible to erythromycin while none was susceptible to penicillin.</p>