The condition, which entails pneumonia in both lungs, is potentially grave, according to health experts. Pope Francis, who remains hospitalized, has bilateral pneumonia, the Vatican said on Tuesday.

The Vatican says Pope Francis has developed pneumonia in both his lungs, after new tests showed a further complication in the condition of the 88-year-old pope

The 88-year pontiff has been suffering from a respiratory infection for more than a week and was admitted to Rome's Gemelli Hospital on February 14.