Her father died from/of 'double pneumonia'. [=pneumonia in both lungs]
He caught/contracted 'pneumonia' over the winter.
(..) Improved diet has been responsible for a dramatic decrease in rickets. Eye diseases show a steep drop. So too do deaths from pneumonia and smallpox. The improvement in sewerage and drainage has resulted in better health. State rodent operatives report a per cent reduction in the number of vermin (..)1984 1984