Key Points

COVID-19

• Accelerated viral circulation of SARS-CoV-2 across the region, with an increase in hospital admissions following stabilization the previous week

• The BA.2 sublineage is predominant and accounts for 49% of interpretable sequences in the Flash S23 survey; increase in the proportion of samples carrying the L452 mutation (49.2% in S24 vs. 38.0% in S23). The BA.5 sublineage is increasing in the region (47.7% for Flash S23 vs. 9.7% for Flash S2

• Stabilization of the number of COVID-19 cases in ES

Other regional surveillance

• Gastroenteritis and acute diarrhea: activity was moderate, declining in hospital emergency departments

• Chickenpox: activity on the rise in hospital emergency departments

• Allergies: activity stable in hospital emergency departments

• Asthma: activity stable in hospital emergency departments

• Air quality: average for this weekend

• Extreme heat, heat wave: activity on the rise in hospital emergency rooms. In week 24, all departments in the region were placed under an orange heat wave alert