Fan Casting Left 4 Dead 1

An outbreak of a highly contagious pathogen called the "Green Flu" (which causes extreme aggression, mutation to the body cells, loss of higher brain functions, and essential zombification of those who catch it) begins in Pennsylvania. the outbreak takes place in October 2009, Two weeks after the first infection, four immune survivors Vietnam veteran William "Bill" Overbeck, college student Zoey, district account manager Louis and outlaw biker Francis make their way out of the city of Fairfield, only to discover that the infection is creating dangerous mutations in some of its hosts