Francis, who has been in Rome's Gemelli Hospital since February 14, is again receiving "non-invasive, mechanical ventilation" to help with his breathing.

Pope Francis suffered an isolated episode of bronchospasm, which led to vomiting and a worsening of his respiratory condition, Vatican News reported.On the afternoon of February 28, the Holy Father experienced an isolated episode of Bronchospasm.

“Today, the Holy Father experienced two episodes of acute respiratory failure, caused by a significant accumulation of endobronchial mucus and consequent bronchospasm,” it said in a statement on Pope Francis’s 18th day in hospital, the longest of his papacy.