In line with the mandate of the National Institute for Communicable Diseases (NICD), the Centre for Tuberculosis (CTB) conducts laboratory-based public health surveillance of TB in South Africa, serves as a National TB reference laboratory (NTBRL) and participates in microbiology and epidemiology-oriented training programmes. The CTB also initiates applied public health research aimed at providing enhanced intelligence on the drivers and protective factors that underlie the TB epidemic in South Africa

Diphtheria situational report (week 15 of 2026)
Between 29 December 2025 and 12 April 2026, 18 confirmed cases of respiratory diphtheria

