Books like Coldbrook

Coldbrook is a secret laboratory located deep in Appalachian Mountains. Its scientists had achieved the impossible: a gateway to a new world. Theirs was to be the greatest discovery in the history of mankind, but they had no idea what they were about to unleash.With their breakthrough comes disease and now it is out and ravaging the human population. The only hope is a cure and the only cure is genetic resistance: an uninfected person amongst the billions dead.In the chaos of destruction there is only one person that can save the human race.But will they find her in time?