Pope Francis, in critical condition battling double pneumonia, had a "tranquil" night, was alert and had rested after a respiratory crisis and blood transfusions, the Vatican said on Sunday. The pope

Pope Francis was in critical condition Saturday after he suffered a prolonged asthmatic respiratory crisis while being treated for pneumonia and a complex lung infection, the Vatican said. The 88-year-old pope,

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