Pope Francis, 88, has been in hospital in Rome since February 14 and on Monday suffered two episodes of "acute respiratory failure". Here is what we know about the health of the Argentine pontiff.

The Vatican said the pope responded well to the treatment, with a good level of gas exchange, and remained conscious and alert at all times.

Pope Francis, hospitalized for more than two weeks with pneumonia in both lungs, suffered two acute respiratory failures, requiring intervention, the Vatican says.

Pope Francis suffered two episodes of acute respiratory failure Monday, the Vatican said, a fresh setback in the worst health crisis of his papacy.

Pope Francis suffered two episodes of "acute respiratory insufficiency" on Monday, the Vatican said, a setback for the 88-year-old pontiff as he battles double pneumonia. Francis, who has been in Rome's Gemelli Hospital since February 14, is again receiving "non-invasive, mechanical ventilation" to help with his breathing.

As the 88-year-old pope continued treatment, the development of the spasm and subsequent complication marked a setback in what had been two successive days of increasingly upbeat health reports.

Pope slept well and is no longer on mechanical ventilation, the latest positive update from the Vatican stated.

Pope Francis, in hospital fighting double pneumonia, had a peaceful night and is resting, the Vatican said on Sunday. The Vatican said on Saturday evening that the 88-year-old pontiff's condition was stable,

Pope Francis, in hospital fighting double pneumonia, rested well overnight, the Vatican said on Monday. The Vatican said on Sunday evening that the 88-year-old pontiff's condition was stable, and he no longer required the use of mechanical ventilation to breathe.

The pope's condition remains stable yet guarded, with no ventilation needed but high-flow oxygen continuing as the Vatican monitors closely.