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,

The Vatican says that Pope Francis has suffered two new episodes of acute respiratory crises and has been put back on noninvasive mechanical ventilation.

Pope Francis suffered two episodes of acute respiratory distress Monday as his prognosis remains "guarded" while at a hospital in Rome, the Vatican announced.