Public Health Monitoring in Réunion. Bulletin dated October 16, 2026.

Key Points

Acute Respiratory Infections 

  • The outbreak is intensifying, with 8 severe cases identified in the ICU (including 6 in one week).

Gastroenteritis (GE)

  • Ongoing AGE outbreak.

Bronchiolitis in children under 1 year of age

  • Third consecutive week of rising emergency department visits.

Smallpox B (Mpox)

  • 24 imported cases from Madagascar and 5 locally acquired cases; the last case was reported in early August.

Leptospirosis 

  • Off-season period, low transmission rate with sporadic cases (250 cases, including 3 deaths).

Arboviral diseases 

  • Sporadic cases.

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