Pope Francis’ respiratory infection is presenting a “complex clinical picture” that will require further hospitalization, the Vatican said Monday, as concerns grew about the increasingly frail health of the 88-year-old pontiff.

The Vatican says Pope Francis’ respiratory tract infection is presenting a “complex clinical picture” that will require further hospitalization

The Vatican says Pope Francis’ respiratory tract infection is presenting a “complex clinical picture” that will require further hospitalization.

The Vatican says Pope Francis’ respiratory tract infection is presenting a “complex clinical picture” that will require further hospitalization.

Pope Francis was hospitalized Friday after a weeklong bout of bronchitis worsened and was receiving drug therapy for a respiratory tract infection, the Vatican said. It was the latest setback to the 88-year-old's pontiff's health that forced him to cancel his agenda through Monday at least.

The Vatican says Pope Francis’ respiratory tract infection is presenting a “complex clinical picture” that will require further hospitalization.

The Vatican says Pope Francis' respiratory tract infection is presenting a "complex clinical picture" that will require further hospitalization.

Pope Francis’ respiratory tract infection is presenting a “complex clinical picture” that will require further hospitalization, the Vatican said Monday as concerns grew about the increasingly

Pope Francis' respiratory infection is presenting a "complex clinical picture" that will require further hospitalization, the Vatican said Monday, as concerns grew about the increasingly frail health of the 88-year-old pontiff.

The Vatican said Monday that Pope Francis’ respiratory tract infection is presenting a “complex clinical picture” that will require further hospitalization.

Pope Francis was hospitalized Friday after a weeklong bout of bronchitis worsened and was receiving drug therapy for a respiratory tract infection, the Vatican said. It was the latest setback to the 88-year-old's pontiff's health that forced him to cancel his agenda through Monday at least.