The Only One Left

Set in the future.
Dystopian fiction.
The world was at its end.
no human left apart from one. Margo 16 traveled round America in search for another human or non mutated life form she sees meant things on her travels most of witch arnt nice after a nuclear attack 2 years ago most of man kind were wiped out and animals mutated into fowl beasts
Read the story to find out it Margo finds another human?
or
is she doomed to eternal solitary?