If niggers are a minority of the population, but result in the vast majority of the deaths, would it not be logical to suggest that perhaps they should be segregated from humans so that their diseases and filth will not harm humans?

Instead of forcing people to be integrated with niggers, to the detriment of both humans and niggers, there should be two social classes in first world societies: Humans, and People of Color (AKA niggers). Restaurants, movie theaters, gyms, grocery stores, and various other public facilities should be encouraged to build and operate two separate operations in every city. You could have one KFC for Humans Only, and a KFC that is for People of Color Only.

And instead of there being two bathrooms in most public places, there should be four bathrooms. One for Human Men, one for Human Women, one for People of Color Nigger Bucks, and one for People of Color Nigger Negresses. Except in cases where the facility is designated for Humans or People of Color only, in which case there would be no need to accommodate members of a different species.