The biggest risk he faces is sepsis, that is, if the infection that is currently localized only in his lungs passes into his bloodstream and begins to affect the rest of his body's organs, the doctor told reporters in the hospital atrium Feb. 21.

Sergio Alfieri, one of the doctors for Pope Francis, said he is a “fragile” patient given his advanced age and chronic health issues.

His doctors said “the pope is fine” and “working,” though they cautioned that he remains in significant danger as he fights a bout of double pneumonia.

“The pope is fine,” Sergio Alfieri, the head surgeon at the Gemelli hospital in Rome, where the pope is being treated, said during the news conference at the hospital. “Is the pope out of danger? No, the pope is not out of danger,” he said, but specified Francis is not in a life-threatening situation.

Pope Francis, in hospital with pneumonia, is not out of danger and will have to stay at least another week, his doctors said Friday amid questions over the 88-year-old's future as head of the Catholic Church.

The Gemelli medical team head confirmed that the Pope continues to read, work, and sign documents while at the hospital.

Pope Francis, who is being treated in hospital for double pneumonia, is not yet out of danger but is expected to live, one of his doctors said on Friday. Francis is being treated at Rome's Gemelli hospital,

Pope Francis isn’t at imminent risk of dying from his bout of pneumonia and his condition has improved slightly in recent days, although he isn’t yet in the clear, doctors at Rome’s Gemelli Hospital told reporters on Friday.