 As many more areas around the globe fall to infection , a period known as the " Great Panic " begins . Pakistan and Iran destroy each other in a nuclear war , after the Iranian government attempts to stem the flow of refugees fleeing through Pakistan into Iran . After zombies overrun New York City , the U.S. military sets up a high @-@ profile defense in the nearby city of Yonkers . The " Battle of Yonkers " is a disaster ; modern weapons and tactics prove ineffective against zombies , as the enemy has no self @-@ preservation instincts and can only be stopped if shot through the head . The unprepared and demoralized soldiers are routed on live television . Other countries suffer similarly disastrous defeats , and human civilization teeters on the brink of destruction . 
 As many more areas around the globe fall to infection , a period known as the " Great Panic " <a href='uninflect' title='1'><mark>begins</mark></a> . Pakistan and Iran destroy each other in a nuclear war , after the Iranian government <a href='uninflect' title='2'><mark>attempts</mark></a> to stem the flow of refugees fleeing through Pakistan into Iran . After zombies overrun New York City , the U.S. military <a href='uninflect' title='3'><mark>sets</mark></a> up a high @-@ profile defense in the nearby city of Yonkers . The " Battle of Yonkers " is a disaster ; modern weapons and tactics prove ineffective against zombies , as the enemy <a href='got' title='4'><mark>has</mark></a> no self @-@ preservation instincts and can only be stopped if shot through the head . The unprepared and demoralized soldiers are routed on live television . Other countries suffer similarly disastrous defeats , and human civilization teeters on the brink of destruction . 
As many more areas around the globe fall to infection , a period known as da " Great Panic " begin . Pakistan and Iran destroy each other in a nuclear war , after tdaIranian government attempt to stem the flow of refugees fleeing through Pakistan into Iran . After zombies overrun New York City , the U.S. military set up a high @-@ profile defense in the nearby city of Yonkers . The " Battle of Yonkers " is a disaster ; modern weapons and tactics prove ineffective against zombies , as thdanemy got no self @-@ preservation instincts and can only be stopped if shot thru the head . The unprepared and demoralized soldiers are routed on live television . Other countries suffer similarly disastrous defeats , and human civilization teeters on the brink of destruction .