A lot of this is quite nit-picky and (really) is more for comedic effect than anything else. Yet there are a few genuine problems with the movie, of course, and they are addressed in a speedy fashion here...
United Nations employee Gerry Lane traverses the world in a race against time to stop the Zombie pandemic that is toppling armies and governments, and threatening to destroy humanity itself.
World War Z is available now on DVD and Blu-Ray.