Heroes: A Morningstar Strain Novel (Z.A. Recht's Morningstar Strain)

The world ended four years ago when the zombie virus killed billions.Now, with a vaccine in place, humanity can begin again.Or can it?
The Morningstar Strain created two different, equally deadly forms of zombie: the raging, fast sprinters and the relentless, undead shamblers. The sprinters have all but disappeared; the evil humans dedicated to death and chaos have been defeated.
But the worse it yet to come. A new breed of the undead is rising.
A mutant version of the Morningstar Strain has appeared and birthed a sprinter who can think—and can control the billions of shamblers still plaguing the world.
It's time for a whole new breed of human hero to rise: men and women who have survived the end of the world and are ready to fight to the death to reinvent a better world…one finally free of the Morningstar Strain.
The final battle is just beginning. But is it the beginning of the end?