The Vatican carried on with its Holy Year celebrations without the pope Saturday, as Pope Francis battled pneumonia and a complex respiratory infection that doctors say remains touch-and-go and will keep him hospitalized for at least another week.

Pope Francis was in critical condition Saturday after he suffered a long asthmatic respiratory crisis that required high flows of oxygen, the Vatican said. The 88-year-old Francis, who has been hospitalized for a week with pneumonia and a complex lung infection,

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.

Pope Francis, 88, was resting Monday morning, his 10th day at the hospital for a complex lung infection that led to the early stages of kidney insufficiency.

The Vatican No. 2, Cardinal Pietro Parolin, will lead the first prayer Monday. Francis, who has double pneumonia and is in the early stages of kidney insufficiency, was awake and in good spirits Monday.

The pontiff's condition is touch-and-go, given his age, fragility and pre-existing lung disease, according to doctors.