Background The global burden of pediatric severe respiratory illness is substantial, and
influenza viruses contribute to this burden. Systematic surveillance and testing for influenza …

Abstract Every year, approximately 10–20% of the world's population is infected with
influenza viruses, resulting in a significant number of outpatient and hospital visits and …

Summary Background The Global Burden of Diseases, Injuries, and Risk Factors (GBD)
Study 2015 provides an up-to-date analysis of the burden of lower respiratory tract infections …

Background Although the burden of influenza is often discussed in the context of historical
pandemics and the threat of future pandemics, every year a substantial burden of lower …

Background There are limited data on the efficacy of vaccination against confirmed influenza
in pregnant women with and those without human immunodeficiency virus (HIV) infection …

Background Reducing acute respiratory infection burden in children in Africa remains a
major priority and challenge. We analyzed data from population-based infectious disease …

Background Quantification of human interactions relevant to infectious disease transmission
through social contact is central to predict disease dynamics, yet data from low-resource …

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

Severe acute respiratory infections, including influenza, are a leading cause of
cardiopulmonary morbidity and mortality worldwide. Until recently, the epidemiology of …

Influenza is a well-documented cause of morbidity and mortality in high-and middle-income
countries. In the past few decades and particularly during the recent influenza pandemic …