Samples and patients
Between September 2017 to January 2023, 191236 nasopharyngeal swabs were collected from the same number of patients to determine the etiology of acute respiratory infection, 50026 before SARS-CoV-2 pandemic (2017-19) and 141216 after (2020-22).
These samples correspond to 11301 children under one year of age, 36811 children aged 1 to 5 years, 17270 children aged 6 to 15 years, 80299 adults aged 16 to 70 years and 44918 adults aged 70 years and over.