The Vatican said on Monday that Pope Francis was being treated for a "complex clinical situation" and will remain hospitalized for as long as needed.

Vatican authorities said Monday that Pope Francis has a complex infection in his respiratory system and will require more targeted drug treatment. Officials said the 88-year-old pope is suffering from a “polymicrobial respiratory tract infection,

Pope Francis’ upcoming commitments appeared increasingly in question Monday as he spent a fourth day in the hospital with a respiratory tract infection that has already sidelined him longer than a 2023 hospitalization for pneumonia.