Noun
The transmission of a disease from one person to another, by direct or indirect contact.
That which serves as a medium or agency to transmit disease; a virus produced by, or exhalation proceeding from, a diseased person, and capable of reproducing the disease.
The act or means of communicating any influence to the mind or heart; as, the contagion of enthusiasm.
Venom; poison.
Source: Webster's dictionaryWar is a contagion. Franklin D. Roosevelt
Ninety-nine per cent of the people in the world are fools and the rest of us are in great danger of contagion. Thornton Wilder
He who is the author of a war lets loose the whole contagion of hell and opens a vein that bleeds a nation to death. Thomas Paine
As long as there is one upright man, as long as there is one compassionate woman, the contagion may spread and the scene is not desolate. Hope is the thing that is left us in a bad time. E. B. White
As contagion of sickness makes sickness, contagion of trust can make trust. Marianne Moore
Only one form of contagion travels faster than a virus. And that's fear. Dan Brown