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.

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.

Doctors are sharing their concerns over the likelihood that Pope Francis could now develop sepsis after being diagnosed with pneumonia - as the pope admits he's 'in danger'