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 17 Of 2025)
Between 1 January 2024 and 27 April 2025, 48 confirmed cases of respiratory diphtheria,