Background Lower respiratory tract infection (LRTI) is one of the most fatal diseases for
adults. Influenza is a well-recognized cause of severe pneumonia; however, the outcomes of …

Abstract Background Respiratory viruses (RVs) are among the most common pathogens for
both upper and lower respiratory tract infections (RTIs). However, the viral epidemiology of …

Purpose To describe the burden, and characteristics, of influenza-like illness (ILI) associated
with non-influenza respiratory viruses (NIRV). Methods We performed a prospective …

BACKGROUND: Data on the outcomes of noninfluenza respiratory virus (NIRV) infections
among hospitalized adults are lacking. We aimed to study the burden, severity and …

Objectives To determine the viral epidemiology and clinical characteristics of patients with
and without clinically apparent respiratory tract infection. Methods This prospective cohort …

Background: Lower respiratory tract infection (LRTI) often leads to hospitalization, and it was
indicated that causative viral infections are underestimated. Objectives: It was our aim to …

Background Respiratory tract infections are a major cause of outpatient visits, yet only a
portion is tested to determine the etiologic organism. Multiplex reverse transcriptase …

Background. During peak weeks of seasonal influenza epidemics, severe respiratory
infections without laboratory confirmation are typically attributed to influenza. Methods. In …

Respiratory viruses can be detected in 18.3 to 48.9% of critically ill adults with severe
respiratory tract infections (RTIs). The present study aims to assess the clinical significance …

Background Acute respiratory infections are an important cause of morbidity and mortality
worldwide, with a major burden of disease in developing countries. The relative contribution …