Fucko the clown can spread clown infection through a bite. The bitten one begins to mutate and over time turns into a cannibal clown, like Emmett the clown.
Body Count: 2.
At the end of the film, both clowns died. Emmett the clown tracked down and devoured Fucko the clown, while he was shot by the police. And later, Emmett the clown's wife gave birth to a mutant clown child.