Francis was treated with noninvasive mechanical ventilation and had a good response, the Vatican said Friday.Not long before the Vatican revealed his Friday bronchospasm, Vatican sources told CBS News the pope's health had improved,

Pope Francis on Monday suffered two attacks of "acute respiratory insufficiency," the Vatican said, as the 88-year-old continues his health fight.

Pope Francis suffered two episodes of "acute respiratory failure" on Monday, the Vatican said. The episodes were caused by a "significant accumulation of endobronchial mucus and consequent bronchospasm,