Key Points

Acute Respiratory Infections (ARI)

• Influenza: Health and virological indicators are at baseline levels.

• Bronchiolitis: Health indicators (emergency room visits and hospitalizations) have been at a high level for the past 3 weeks. The positivity rate is rising sharply, indicating active circulation of RSV.

Gastroenteritis

• End of the epidemic

Arboviruses

• 1 confirmed case of chikungunya reported in week 48 (Southern sector). As a reminder, 2 cases were confirmed in week 47 (Western and Southern sectors). The results of the chikungunya seroprevalence study in Réunion are available online.