Weekend Frivolity: Movies of Contagion and Confinement

Building on the runaway success of yesterday's frivolity (silence is not necessarily ridicule), today was invite our remaining readers to share ideas for movies (or films if they are fancy) on the theme of contagion and confinement.

We'll get things rolling with two picks:

The Andromeda Strain tops the list for being about contagion within the necessarily confined quarters of  an isolated lab. 

And then there's World War Z, which is just fun, even though I usually hate zombie movies.  Also, the zombies' "fleetness of foot" reminds me of my favorite dialogue from Breaking Bad: