The health of Pope Francis, who has been hospitalized for over a week with pneumonia, worsened on Saturday, raising fears that the pontiff might not survive his struggle with respiratory infections.

Pope Francis remains in critical condition after he experienced a severe asthmatic respiratory crisis this morning requiring high-flow oxygen therapy, according to a Vatican update released Saturday.“The Holy Father’s condition continues to be critical,

Doctors on Friday said the 88-year-old Francis is "not out of danger" ​and that the main threat facing him would be the onset of sepsis.