Lower respiratory tract infections are any infections in the lungs or below the voice box. These include pneumonia, bronchitis, and tuberculosis. Symptoms of lower respiratory tract infections can ...

In patients with COVID-19, preexisting immunity and Omicron infection were associated with reduced disease severity and upper respiratory symptom presentation.

Adults who had a lower respiratory tract infection such as bronchitis or pneumonia before the age of 2 may be at higher risk of dying prematurely from respiratory disease, according to a new study.

Acute lower respiratory tract infections are a persistent and pervasive public health problem. They cause a greater burden of disease worldwide than human immunodeficiency virus infection, malaria ...

A second group of 1,023 patients who also had a lower respiratory tract infection were treated with a placebo for the same period. The patients were age 18 or older and hailed from 12 European ...

Children who contract lower respiratory tract infection (LRTI) at two years of age or younger could be more likely to die prematurely from that same condition as adults, a new study has found ...

Children who contract lower respiratory tract infection (LRTI) at two years of age or younger could be more likely to die prematurely from that same condition as adults, a new study has found.

Aim To examine symptoms indicative of respiratory tract and gastrointestinal infections and determine risk factors for such symptoms in elite cross-country skiers. Methods Self-reported training and ...

Pope Francis has a complex infection in his respiratory system and will require more targeted drug treatment, according to Vatican authorities Monday. On Tuesday, he underwent a chest CT scan ...

Adults who had a lower respiratory tract infection such as bronchitis or pneumonia before the age of 2 may be at higher risk of dying prematurely from respiratory disease, according to a new study.