Background To date, estimating the burden of seasonal influenza on the hospital system in
France has been restricted to influenza diagnoses in patients (estimated hospitalization rate …

Background The burden of severe influenza virus infections is poorly known, for which
surveillance of severe acute respiratory infection (SARI) is encouraged. Hospitalized SARI …

Background. Severe acute respiratory infections (SARI) surveillance is recommended to
assess the severity of respiratory infections disease. In 2021, the National Institute of Health …

Background Influenza is responsible for substantial morbidity and mortality, but there is
limited information on reliable disease burden estimates, especially from middle‐income …

Background Estimating the global burden of influenza hospitalizations is required to allocate
resources and assess interventions that aim to prevent severe influenza. In France, the …

Abstract Background In France, each year, influenza viruses are responsible for seasonal
epidemics leading to 2–6 million cases. Influenza can cause severe disease that may lead …

Background Data on risk factors for influenza-associated hospitalizations in low-and middle-
income countries are limited. Methods We conducted active syndromic surveillance for …

Abstract Background The 2009 H1N1 pandemic highlighted the need to routinely monitor
severe influenza, which lead to the establishment of sentinel hospital-based surveillance of …

Background While influenza-like-illness (ILI) surveillance is well-organized at primary care
level in Europe, few data are available on more severe cases. With retrospective data from …

Background Severe Acute Respiratory Infections (SARI) caused by influenza and other
respiratory viruses pose significant global health challenges, and the COVID-19 pandemic …