Ebola confirmed in the US!

[Mortblanc]

Another aspect that has raised its inconvenient head is the cleanup and disposal of the biohazard waste from the apartment the man was residing in while highly contagious.

This waste is so toxic that none of the local biohazard cleanup crews are licensed to transport the waste to disposal sites over the public road system.

And it was a complex of what you folks refer too as "flats", so it is connected above below and on each side to other units inhabited by more people.