Key Points

Flu

• Post-flu epidemic

• Reunion remains in a post-epidemic phase with indicators stabilizing.

Gastroenteritis

• Post-gastroenteritis epidemic

• Gastroenteritis surveillance indicators were on the rise in Week 48 compared to Week 47 but remained below epidemic thresholds.

Bronchiolitis

• High level of activity. Potential for an epidemic to develop in the coming weeks.

COVID-19

• COVID-19 viral circulation is on the rise across the region.

• The positivity rate (PR) for COVID-19 rose from 9% to 33% between Week 43 and Week 48. This increase affects all age groups. However, a decrease in the PR was observed among those under 15 years of age between Week 47 and Week 48.

• In emergency departments, COVID-19-related visits have been steadily rising and have accelerated over the past four weeks. In Week 48, 75 visits were recorded compared to 50 in Week 47, representing a 50% increase. Hospitalizations following an emergency department visit increased moderately, with 24 hospitalizations in Week 48 compared to 21 in Week 47.

Dengue

• At the start of the southern hemisphere summer, the virus remains very limited and is essentially confined to the southern part of the island.