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 ...

Scientists from the University of Maryland School of Medicine (UMSOM) and the University of Alabama at Birmingham’s Heersink School of Medicine say they have identified a bacterial enzyme that may be ...

BALTIMORE, Dec. 4, 2025: Pneumonia is a disease that burdens the healthcare system with more that 1.2 million emergency room visits each year and more than 41,000 adult deaths in the United States.

In a recent study published in the Journal of Experimental Medicine, researchers identified the cellular tropism and transcriptome consequences of severe acute respiratory syndrome coronavirus 2 (SARS ...

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 ...

A lung infection occurs when a dangerous microbe, such as a bacterium or a virus, gets into the lungs and causes damage. The symptoms depend on the type of infection but may include shortness of ...

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 ...