Key points

• The epidemic began about a month earlier than in previous seasons

• Recent end of the previous epidemic (October) with higher viral circulation than in previous years during the inter-epidemic phase

• Circulation still significant in S04-2022

• Lifting of the emergency plan at the CHM in Week 3

• 15 emergency department visits recorded in S04

• Increase in the proportion of hospitalizations following a visit to the ER (67% in Q4)

• Stable number of RSV (Respiratory Syncytial Virus) cases detected through virological surveillance