Key Points

• Flu activity is gradually increasing nationwide, though it remains below the levels observed during the same period in previous years. There is currently no flu outbreak in the Lorraine region.

• According to data from the Sentinelles France network, the epidemic threshold for gastroenteritis has now been exceeded for three weeks nationwide, with the outbreak beginning on January 2, 2012.

• The peak of the bronchiolitis epidemic appears to have passed in Lorraine during week 51, based on activity data from the SOS Médecin association in Meurthe-et-Moselle.