Gabby “Dawn,” I say as I hold her hair back. “You can do it. You can keep going.” She stumbles forward, but doesn"t respond. Every time she opens her mouth to speak, she convulses. By now, nothing comes out. Her chest heaves as she grows weaker and slower. Jeremy lifts Dawn into his arms when she can no longer walk. Lee is struggling beside me, but all I can do is give him my arm for balance. He doesn"t say anything. He doesn"t have the strength. Working together, we descend the garbage chute and make our way down the long tunnels that lead to the beach. We see the light, but our relief doesn"t last long because we hear Drew scream up ahead. Jeremy and I take off running, leaving Lee and Dawn hidden in the tunnels. Blinded by suddenly bursting into the sunlight, we duck for cover as

