Which is scarier, 28 Days Later or 28 Years Later?

28 Days Later vs 28 Years Later: which is scarier?

28 Days Later is scarier than 28 Years Later: 4.0 against 3.2 out of 10 on the Scare Scale.

Seen one of them? Open the film and answer a few quick questions about how it scared you. Every answer moves its score.