Public Health Monitoring in Réunion. Bulletin dated October 23, 2026.

Key Points

Acute Respiratory Infections 

  • Sixth consecutive week of the flu outbreak, with a high volume of emergency room visits

Gastroenteritis (GE)

  • Ongoing AGE outbreak.

Bronchiolitis in children under 1 year of age 

  • Fourth consecutive week of rising emergency department visits and hospitalizations.

Mpox

  • 26 imported cases, mostly from Madagascar, and 5 locally acquired cases; the most recent case was reported in S43.

Leptospirosis 

  • Inter-seasonal period, low transmission level with sporadic cases (250 cases, including 3 deaths).

Arboviral diseases 

  • Sporadic cases.

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