For five years, every woman on Earth faced a bitter choice: save herself with a vaccine that would render her sterile or ensure the propagation of the human species by risking infection with a deadly global plague.The release of a new vaccine, free from that terrible side effect, is met with a sense of collective exuberance. For the first time in half a decade, the survivors can begin to imagine a future for humanity. That future, however, relies on the few women who did not choose self-preservation, those who went unvaccinated and now represent the only viable option for a next generation.Fifteen-year-old Nasim is one of those Eves.