20 parts Complete Oh, what a wonderful time to be alive!
Medical care is better than ever, the number of homeless has dropped dramatically, and war hasn't been sparked for five glorious years.
But.
Oh, of course there's a but! Did you truly expect this to be a story about a utopia? (Especially seeing how it's written by ME, of all people.)
"End Trait" is the name of the virus, given to it by the survivors. The virus was created through a chain of events triggered by an atomic bomb, and much of humanity is gone.