Measles and Rubella Weekly Surveillance Report

This report is based on data collected up to 02 August 2026 (week 31 of 2026)  

Highlights

Measles Surveillance

  • National measles surveillance has detected an increase in measles cases nationwide. Data available (accessed 6 August 2026) from 29 December 2025 to 2 August 2026 (ISO Weeks 1-31) indicated that 3636 laboratory-confirmed measles cases were reported nationally. Since the previous report (ISO week 30), 174 additional cases were detected. The Western Cape reported the highest number of new cases (46), followed by Gauteng (29), Free State (26), Northern Cape (23), Mpumalanga (21), Limpopo (14), Eastern Cape (6), North West (5) and KwaZulu-Natal (4).

Rubella Surveillance

  • Between 29 December 2025 and 2 August 2026 (ISO Weeks 1–31), a total of 428 laboratory-confirmed rubella cases were reported in South Africa through the national fever-rash surveillance system (data accessed 6 August 2026). Since the previous report on 26 July 2026, 30 new rubella cases were reported. During the reporting period, most cases occurred among children aged 1–14 years (325/428; 75.9%).

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