The Vatican has said that Pope Francis is showing signs of improvement after his recent health scares while fighting double pneumonia. NBC News’ Anne Thompson reports from Rome on the latest health updates for Pope Francis as he continues his recovery.

ROME and LONDON -- 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," the Vatican's press office said in a brief statement.

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