Pneumonia is an infection of one or both lungs caused by bacteria, a virus, or a fungus. It causes inflammation and fluid build-up in the air sacs, or alveoli, of the lungs. Bacterial and viral ...

“In some cases, the flu virus itself can directly infect the lungs, causing viral pneumonia. Both types result in lung inflammation and fluid buildup, making it difficult for the body to absorb ...

Viral pneumonia can sometimes stem from viruses that include the flu, common cold, COVID-19 and respiratory syncytial virus (RSV), according to Cleveland Clinic. This type of pneumonia typically ...

CINCINNATI (WKRC) — A viral illness is raising concerns among ... highlighted the symptoms associated with the virus, saying, "Mostly it's high fever, cough and shortness of breath." ...