Key Points

COVID-19

• Viral circulation continues the downward trend that began in Week 17, with the incidence rate decreasing by 31% between Weeks 18 and 19 to reach 663 cases per 100,000 inhabitants. The positivity rate was 26%, down 6 percentage points. At the same time, there continues to be a decline in new hospitalizations. New admissions to critical care and deaths continue to fluctuate at a low level.

• The Omicron variant still accounts for 100% of interpretable sequences, with the BA.2 sublineage dominant. The BA.4 and BA.5 sublineages of the Omicron variant have been detected in Réunion.

Influenza

Influenza viruses are circulating in urban areas but have not impacted the hospital system. Réunion remains in the pre-epidemic phase for influenza.

Bronchiolitis

In S19, Réunion is moving toward the end of the bronchiolitis epidemic.