Her father died from/of 'double pneumonia'. [=pneumonia in both lungs]
He caught/contracted 'pneumonia' over the winter.
(..) - but his actual name is Arnold Schwarzenegger. There are a thousand theatres and we have looked for hours. - We are close to catching him. - No, to catching pneumonia. In my world they just leave clues. Or they show up and kidnap me. That stuff does not happen here, because this world stinks! (..)1993 Last Action Hero