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 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'

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.