Pope Francis called Tuesday for an end to war and urged reflection in a letter published by Italy’s newspaper of record, as the 88-year-old pontiff recovers from pneumonia in hospital. Emphasizing the need for responsible journalism,

The release of the photo a month into his treatment came after dozens of young people gathered under the pontiff’s windows to offer wishes for a quick recovery.

Pope Francis has been in the hospital since Feb. 14. Here’s an overview of what’s happened since then. Feb. 14 — Pope Francis enters Gemelli Hospital in Rome with bronchitis. Feb. 17 — The pope’s care team determines he is suffering from a complex respiratory tract infection.