From NBC News Health Article What World War Z Gets Right--and Wrong--About Viruses
"A movie about a disaster is a good teachable moment — a surrogate for a real disaster, which is an even better teachable moment. If the movie is gripping, the audience imagines itself in the scary situation, and temporarily becomes very interested in what they can do about it if it happened to them in real life."
So what can we learn from World War Z? Check out the answer here: http://www.nbcnews.com/health/what-world-war-z-gets-right-wrong-about-viruses-6C10411719