Rome, March 17 -- The Vatican has released the first photo of Pope Francis at the chapel in Rome's Gemelli hospital since his hospitalisation on February 14.

In the image, the 88-year-old Pope is seen wearing a stole, a vestment worn while concelebrating Mass. Pope Francis has been battling pneumonia at the hospital in Rome, CNN reported.

According to the Vatican, the Pope continued his treatment and did not have any visitors. In the text of his weekly Angelus prayer that was sent in advance to the press, Francis thanked well-wishers for their prayers as he faces what he calls a "period of trial," as reported by CNN.

Dozens of children gathered outside the hospital to show their support for the Pope.

"I thank you all for your prayers,...