"contagion" is a correct and usable word in written English.
You can use it to refer to the rapid spread of a disease or belief from one person or place to another, or an instance of such a spread. Example sentence: The contagion of the influenza virus quickly spread throughout the city.
Draghi said at the IMF's meetings in Washington over the weekend that financial buffers were sufficient to prevent contagion spreading to other weak economies in the currency union.
"The contagion risk to other economies is significant; we think that Grexit would lead to the reintroduction of a currency-risk premium and higher peripheral bond yields," said the consultancy Oxford Economics.
"You can't see any contagion in markets," Schäuble added.
The "orderly" part of default really means a plan to contain contagion.
Varoufakis used one of his frequent media appearances to say that contagion would be inevitable if Greece were to leave the eurozone.
The EU could tap sovereign wealth funds from Asia and the Gulf in order to boost the financial clout of its main vehicle to bailout eurozone countries suffering debt distress and prevent contagion spreading, it is understood.
I tried to turn our first conversation towards the subject of personal betrayal - a habit that, on the evidence of The Crucible, swept through 17th-century Salem like a contagion.
Nicolas Sarkozy is especially incensed by the Italian prime minister as French banks are heavily exposed to Italian bonds if, by any chance, serious contagion spreads from Athens to Rome.
The Greek banking subsidiaries in the region are a significant channel of contagion; Greek banks' market share in south-eastern Europe is about 20%"Wherever you go in the region people tell you how tough life is.
Worried about contagion spreading from Ukraine to Russia, the Kremlin too was making its own preparations.
It does mean that contagion isn't likely to develop.
