Public Health Monitoring in Réunion. Bulletin dated September 25, 2026.
Key Points
Arboviral Diseases
- Sporadic cases.
Bronchiolitis in children under 1 year of age
- No public health impact.
Gastroenteritis
- Significant increase in cases in primary care;
Acute respiratory infections
- Intensification of the flu epidemic characterized by a sharp increase
in emergency department visits and hospitalizations. Virus A(H1N1)pdm09 is predominant.
Leptospirosis
- Off-season period, low transmission rate with sporadic cases (246 cases and 3 deaths).
Smallpox B (mpox)
- 24 cases imported from Madagascar and 5 locally acquired cases; the last case was reported in early August.
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