If the movies say it, it must be true!
I'm gonna take another trip into 28 "insert time length here" Later... land. As you are no doubt aware, the rage virus is not called the rage virus because it makes everyone all passive and friendly and makes them want to cuddle with people a whole huggy-buggy bunch. No, it pisses them off, so much so that they feel the need to brutalize every single non infected person they see. The infected (see Nick, I'm adhering to your rules) are big fans of sprinting up to you and doing bad things to your body, but there is one sector of the human figure that they despise above all others. Those little globes of matter in your head really tick them off for some reason, and they will do everything they can to relieve you of them.
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The Lesson: Eye balls exude a pheromone that really gets the infected in a frenzy. Watch out! If you're not infected, and you have eyes, you might to invest in a pair of goggles... or something.