Expert doctors in infectious disease and lung health speak to the transmissibility of walking pneumonia and more infection facts.

The many causes of pneumonia M. pneumoniae is one of the most common bacterial causes of what is often referred to as "walking pneumonia," a milder form of the disease.

Pope Francis was no longer using a mechanical ventilator and remained stable in the hospital on Sunday, though his clinical prognosis remains "guarded," the Vatican said in a statement as the 88 ...

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Doctors soon added a diagnosis of double pneumonia and a polymicrobial ... in faith, shining signs of hope,'' the pope said.

Pope Francis was in stable condition and resting on Sunday as he continued his recovery from double pneumonia, but again skipped his weekly noon blessing to avoid even a brief public appearance.

In the photo, Pope Francis wore purple Lenten liturgical vestments sitting in front of an altar in the hospital chapel.

While the pope did not appear from the 10th-floor suite of windows, he thanked them and acknowledged their presence in the traditional Sunday blessing.

ROME, Italy — Pope Francis remained in stable condition Saturday a day after a respiratory crisis during his battle with double pneumonia, the Vatican said. He spent long periods of the day off ...

For the third weekend in a row, Francis cancelled the appointment delivering the Angelus prayer. He could have delivered it from his 10th floor hospital suite at the Gemelli hospital if he were ...