How are Catholics around the world responding to Pope Francis’s health update? Pope Francis, the 88-year-old leader of the Catholic Church, is fighting a serious health battle as he remains hospitalized in Rome.

Pope Francis had recovered enough Tuesday from two acute respiratory crises to no longer require noninvasive mechanical ventilation, the Vatican said, and was receiving just high flows of supplemental oxygen.

Pope Francis suffered two episodes of "acute respiratory insufficiency" on Monday, the Vatican said, in another setback for the 88-year-old pontiff as he continues to battle double pneumonia. Francis has been in Rome's Gemelli Hospital since February 14,