The 88-year-old pope has remained stable, with no fever and good oxygen levels in his blood for several days, doctors said.

The Vatican says Pope Francis is responding well to therapy for double pneumonia and has shown a “gradual, slight improvement” in recent days.

Pope Francis is responding well to treatment for pneumonia after three weeks in hospital, the Vatican said Saturday, adding that the 88-year-old was showing "a gradual, slight improvement". There is therefore a gradual,