Closest disease to zombie infection?

Rolanda Merritt: The African sleeping disease. In the late stages of this disease, the parasite invades the brain and the infected patients find it hard to concentrate. They become irritable, their speech is slurred and they stop eating. Their daily rhythm becomes disrupted to such an extent that they can't sleep at night and find it almost impossible to stay awake during the day.It even becomes very hard for them to do simple mental tasks, such as drawing a straight line. It is horrible disease that basically turns people into "zombies." The few that survive this disease are left severely brain-damaged. ...Show more