As Seen In: 28 Days Later (2002)

The Disease: A fearsome virus unwittingly unleashed on the human race by a group of animal-rights activists, Rage turns its carriers into rabidly violent nut-jobs with a turn of pace to rival your average sprinter. It’s incredibly infectious, and only requires exposure to the tiniest amount of contaminated bodily fluid to cause contraction. And since the carriers are singularly prone to barking their guts up every five minutes, it doesn’t take long to get about.

Infectiousness: 10

Ickiness: 7

Splatter-Factor: 9