The Vatican No. 2 led faithful in a somber night-time prayer on Monday as Pope Francis continued to battle pneumonia in both lungs at a hospital in Rome.

The 88-year-old pontiff is in good spirits and is grateful for the prayers for his recovery, the Vatican said.

Pope Francis, who remains hospitalized, has bilateral pneumonia, the Vatican said on Tuesday. The term simply means pneumonia in both lungs, said Dr. James Musser, director of the center for infectious diseases at the Houston Methodist Research Institute.

Pope Francis has pneumonia in both lungs  and remains in the hospital in Rome after a respiratory tract infection. The pontiff has contended with repeated health issues in recent years, including from influenza and respiratory infections.

Pope Francis has pneumonia in both lungs and remains in the hospital in Rome after a respiratory tract infection. The pontiff has contended with repeated health issues in recent years, including from influenza and respiratory infections.

Pope Francis has developed pneumonia in both his lungs and his condition remains "complex", the Vatican says. The 88-year-old has been suffering from a respiratory infection for more than a week and was admitted to Rome's Gemelli hospital on Friday.

The pope was admitted to Rome’s Gemelli hospital on February 14 after experiencing difficulty breathing for several days and subsequently had pneumonia diagnosed in both lungs.

The Vatican’s Tuesday noon bulletin contained a series of significant decisions, most importantly that Francis had met with Cardinal Pietro Parolin

Pope Francis has been battling pneumonia in both lungs at a hospital in Rome for over 10 days, and his condition has been worrying Catholics.

What does Pope Francis having "double pneumonia" mean? What should you look for in the elderly? How can you avoid getting pneumonia?

Vatican officials said that Pope Francis had developed pneumonia in both lungs, further complicating the pontiff’s recovery