W = Wanderers by Chuck Wendig
"Your assumptions are windows on the world. Scrub them off every once in awhile, or the light won't come in." Nessie gets up one day and leaves her house in a walking coma, seemingly impervious to all external stimuli. Soon Nessie is joined by others like her, as they begin their journey to God knows where. They are the flock. Shana, Nessie's sister, gives up everything to care for her sister and is soon joined by other devoted friends and relatives of the flock. These are the shepherds. Both shepherds and flock are closely monitored by Benji Ray and his coworkers from the CDC as a secondary outbreak occurs, more deadly and insidious than the first. I loved certain things about this book. The mystery of the flock: what happened to them and where are they going and why are they going there. The shepherds' dedication and sacrifice, the forging of bonds in the time of mass hysteria, as the caravan travels in blind faith. Equal parts suspense and cautionary tale, it