Okay, that does make more sense.

Although honestly, this movie series died off with the first one, and most of us were just curious about how they would continue the character's story, and how long it'd take the zombies to starve to death in the second one.

To my knowledge they didn't even answer either one of those in a fulfilling way. But it has been a few years since I've seen 28 weeks later, so I could be remembering wrong.