What is the meaning of Contagion?

A disease spread by contact.

The spread or transmission of such a disease.

The spread of anything likened to a contagious disease.

1. The passing on of manners or behaviour through a closed community or household.
2. The spread of (initially small) shocks, which initially affect only a few financial institutions or a particular region of an economy, to other financial sectors and other countries whose economies were previously healthy.

The passing on of manners or behaviour through a closed community or household.

The spread of (initially small) shocks, which initially affect only a few financial institutions or a particular region of an economy, to other financial sectors and other countries whose economies were previously healthy.

A recession or crisis developed in such manner.

contagion

Source: wiktionary.org