Examples from literature

• By what means are malaria, typhoid fever, diphtheria, and tuberculosis spread from one individual to another? 
• Eight persons suffering from diphtheria were at the Miami Valley Hospital. 
• My father and mother died in a scourge of diphtheria that swept the neighborhood when I was a boy of five. 
• Poor little boy, with all his joy of life and enthusiasms, struck down by diphtheria! 
• Thus the bacteria of Asiatic cholera and diphtheria may destroy life in a few hours, while those of consumption may take years to produce a fatal result.