In the Movie "Contagion", One Person Who Has Become Infected

In the movie "Contagion", one person who has become infected with a recombinant pathogenic virus spreads it to a large number of people with whom she comes into contact. Those people then spread it to others, and, before you know it, the disease has spread all over the world. This is an
Example of a/an _______ epidemic.

A) point-source
B) common-source
C) propagated
D) endemic