This report is based on data collected up to 04 May 2025 (week 18 of 2025).  

Highlights:

• Since the last situational report (week 17), the following updates are included in this report:
  o One new laboratory-confirmed case of toxigenic respiratory diphtheria from Mpumalanga.
  o Four new asymptomatic carriers of toxigenic C. diphtheriae, two from KwaZulu-Natal and two from Limpopo.
• Appropriate public health responses have been initiated for each case.

DIPHTHERIA SITUATIONAL REPORT WEEK 18 (2025)