Dark Matter Series by Teri Terry

Callie is missing. Her brother Kai is losing hope of ever seeing her again. Then he meets Shay, a girl who saw Callie the day she disappeared, and his hope is reignited. Their search leads them to the heart of a terrifying epidemic that is raging through the country. Can Kai and Shay escape death and find Callie?

An epidemic is sweeping the country.You are among the infected. There is no cure, and you cannot be permitted to infect others. You are now under quarantine. The 5% of the infected who survive are dangerous and will be taken into the custody of the army.As the epidemic spreads, survivors are being hunted like witches, for the authorities fear their strange new powers.Kai is desperate to trace Shay, who tricked him and disappeared... moreAn epidemic is sweeping the country.You are among the infected. There is no cure, and you cannot be permitted to infect others. You are now under quarantine. The 5% of the infected who survive are dangerous and will be taken into the custody of the army.As the epidemic spreads, survivors are being hunted like witches, for the authorities fear their strange new powers.Kai is desperate to trace Shay, who tricked him and disappeared. Meanwhile, Shay is searching for the truth behind the origins of the epidemic ... but danger finds them wherever they go. Can they outrun the fire?From the author of the international sensation Slated comes the second book in a powerful new story of survival and transformation; love and power. less