The pontiff's surprise entrance came during a special Jubilee Mass for those who are sick and those who care for the sick.

Pope Francis made his first public appearance at the Vatican since he was discharged from the hospital on March 23 after a bout with pneumonia. On April 6, the pope surprised onlookers when he made his way through St.

The pontiff waved at the crowd of faithful that stood and applauded as he was pushed in a wheelchair unannounced to the front of the altar in the square.