Public Health Monitoring in Réunion. Bulletin dated October 9, 2026.

Key Points

Arboviral Diseases 

  • Sporadic cases.

Bronchiolitis in children under 1 year of age 

  • Third consecutive week of increased emergency department visits.

Gastroenteritis 

  • Ongoing gastroenteritis outbreak.

Acute respiratory infections 

  • The flu outbreak continues. The impact on hospitals is severe, and virological indicators are high.

Leptospirosis 

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

Smallpox B (mpox)

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

In relation to

Smallpox B (Mpox)

thematic dossier

Smallpox B (Mpox), formerly known as monkeypox, is a rare viral infectious disease caused by the monkeypox virus and transmitted primarily from rodents to humans, and then from person to person,...

grippe

Flu

thematic dossier

The flu is a contagious viral respiratory infection that causes seasonal outbreaks every winter. The flu vaccine is the most effective way to protect yourself.

Bronchiolitis

thematic dossier

Acute bronchiolitis is a viral respiratory illness that primarily affects children under the age of 2 during seasonal winter outbreaks.

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