Key Points

Acute Respiratory Infections

• Moderate increase in the number of positive test results: 78 in week 43, compared to 73 in week 42. Influenza viruses account for nearly two-thirds of positive test results for acute lower respiratory tract infections, followed by rhinoviruses.
• Decrease in emergency department visits for lower acute respiratory infections: 33 in week 43, compared to 40 in week 42, representing a 17.5% decrease.
• The proportion of consultations for respiratory conditions at community health centers and clinics remained stable (10.5%). This proportion has remained above 10% since week 36.

Influenza

• The number of positive influenza virus test results continued to rise: 50 in week 43, compared to 44 in week 42. The positivity rate remains stable at a high level (28.1%). The epidemic continues.
• Predominance of the A(H1N1) virus: it accounts for 45 of the 50 positive samples. The first two influenza B viruses of the season have also been detected.
• Severe cases: Two new admissions to intensive care for influenza were reported in week 43, bringing the cumulative number of severe cases to seven since the start of influenza virus circulation in the country this season.

SARS-CoV-2

• Circulation remains low and sporadic: 3 positive samples in week 43, with a positivity rate of 2.3%.

Bronchiolitis

• One positive RSV test was recorded, the first since week 25.
• Activity was limited to emergency department visits for bronchiolitis in children under 1 year of age: 6 visits and 3 hospitalizations.