Public Health Monitoring in Réunion. Bulletin dated November 13, 2026.

Key Points

Acute Respiratory Infections 

  • Influenza Moves into the Post-Epidemic Phase

Gastroenteritis 

  • Ongoing gastroenteritis outbreak. Increased incidence of gastroenteritis among children under 5.

Bronchiolitis in children under 1 year of age 

  • Health and virological indicators are declining.

Smallpox B (mpox)

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

Leptospirosis

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

Arboviral diseases 

  • Sporadic cases.

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Chikungunya is a viral disease transmitted by mosquitoes of the genus Aedes. The most common symptoms are fever and joint pain.

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