The Vatican said in its latest bulletin that the Pope was continuing the high-flow oxygen therapy - but added that "today too he has not presented asthmatic respiratory crises".
In its latest update on the 88-year-old pontiff, the Vatican said a mild kidney insufficiency that had developed days ago has now receded.
The Pope's condition is showing a "further, slight improvement", the Vatican has said.
The Pope has been at Rome's Gemelli Hospital since 14 February and is being treated for double pneumonia and chronic bronchitis.
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