Mechanical barriers to pathogen invasion include the configuration of the upper airway and nasal filtering function. The continual branching of the bronchial tree, up to 20 times, into progressively ...

Pneumonia is the lead cause of mortality and morbidity among children under the age of 5 years old and has been referred to as the “forgotten killer of children” by UNICEF. It can cause inflammation ...

Northwestern University scientists have uncovered what they say may potentially be a previously unknown, hidden player in pneumonia. In their newly reported study, the scientists found that the lungs’ ...

This Journal feature begins with a case vignette highlighting a common clinical problem. Evidence supporting various strategies is then presented, followed by a review of formal guidelines, when they ...

A recent review by researchers at Philadelphia College of Osteopathic Medicine (PCOM) shows Chlamydia pneumoniae (Cpn) and SARS-CoV-2 infections may play a role in the pathogenesis of Alzheimer's ...

Pneumonia is a lung infection that’s caused by bacteria, viruses, or fungi. It ranges from mild to severe. Some cases of pneumonia occur as a complication of another infection, like influenza or COVID ...

Pneumonia that fails to respond to treatment is a common problem. Although quantification of the frequency of this problem is difficult, approximately 15% of pulmonary consultations and 8% of ...

Pneumonia is an infection where the tiny air sacs in your lungs (alveoli) become inflamed. This can lead to symptoms such as cough and shortness of breath. Pneumonia can be serious for some groups, ...

Pneumonia typically occurs when a person acquires a viral, bacterial, or fungal lung infection. A cough is a common symptom of pneumonia. However, a person can have the condition without a cough.