Pneumonia is an infection of one or both lungs which affects alveoli, the tiny sacs found in clusters at the end of the branching structure of airways (respiratory tree) that supply air to the lungs.

Many different types of bacteria and viruses can cause pneumonia, but there is no easy way to determine which microbe is causing a particular patient's illness. This uncertainty makes it harder for ...

Viral pneumonia causes inflammation in the lungs, leading to abnormal exchange of oxygen and carbon dioxide in the alveoli. Viruses that are known to cause viral pneumonia include influenza A virus, ...

Pneumonia is the most notorious complication of the COVID-19 pandemic. It can send patients to the emergency room gasping for air, put them on ventilators and leave them in intensive care longer than ...

Pneumonia is an infection of the lungs. Viruses, bacteria, and fungi can cause it. Pneumonia can cause the small air sacs in your lungs, known as alveoli, to fill with fluid. Pneumonia can be a ...

Scientists—and the rest of us—are learning more each day about COVID-19, the illness caused by the novel coronavirus that’s been spreading across the globe. For those who come down with COVID-19, ...

Pneumonia is the medical term for inflammation of one or both lungs. The condition can occur as a result of a viral, bacterial, or fungal infection. Symptoms depend partly on the person’s age and the ...

Community-acquired pneumonia (CAP) is the most common infectious cause of death worldwide, and MIT researchers have now designed a type of “activity-based nanosensor” that can distinguish between ...