Both viral and bacterial infections can result in fever, but the onset, severity, signs, and management are different.

Pneumonia in both lungs is treatable, but it can be life-threatening in elderly patients like the 88-year-old pontiff.

Protein complex in bacterial cell membrane acts like a rotary motor to recruit DNA-degrading enzymes to defend against phage ...

This cold and flu season, you may be looking for clues you're getting better anywhere you can find them, even in the color of ...

Vatican reports Pope Francis showing improvement after week-long hospitalization for pneumonia and respiratory infection.

Doctors are treating Pope Francis for a “ polymicrobial infection ” of his respiratory tract in what they are describing as a ...

Recent research links Alzheimer's disease to bacterial gum infections, specifically the pathogen Porphyromonas gingivalis.

Pope Francis is being treated in hospital for a "polymicrobial infection of the respiratory tract," the Vatican said Monday.