Rabies is a fatal disease transmitted through the saliva of infected animals that causes neurological symptoms such as self-mutilation, paralysis, and aggression. It can affect all warm-blooded animals. The document outlines the clinical signs and stages of rabies including a prodromal phase of isolation, an excitative phase with hyperesthesia and biting, and a paralytic phase with drooping facial features and paralysis. There is no treatment after symptoms appear, but vaccination with live attenuated or inactivated vaccines can prevent the disease.