Vatican officials have said Pope Francis has developed pneumonia in both lungs, further complicating his recovery. The 88-year-old pontiff was hospitalized Friday after a weeklong bout of bronchitis worsened.

The Vatican said Pope Francis has the "onset of bilateral pneumonia," and that tests, a chest X-ray and the pope's clinical condition present a "complex picture."

Pope Francis, who has been in hospital with double pneumonia for a week, has had a good night, got up this morning and had breakfast, the Vatican said on Friday. The 88-year-old pontiff is being treated at Rome's Gemelli hospital,