Chasers : Number 1 in series by James Phelan

Jesse is on a school trip in New York when his subway carriage is rocked by an explosion. When he and three friends crawl out of the wreckage they discover a city in chaos. Streets are deserted. Buildings are in ruins. And the only other survivors are infected with a virus that turns them into horrifying predators. . .
Binding: Paperback / softback