a zombie out break

a zombie out break that is called 28 weeks later where a person wakes up in a hospital and goes away he finds 2 people they tell hi. some things 28 weeks later theres a happy gruip of people that live in a house but a child comes obe of them opens the door and a bunch of zombies come in some days later theres a mini city in london with a bunch of military safe from zonbies and then 1 zombie comes in it becomes a masacare people and zombies runing and military people shoting down evryone its a complete masacare at the end some survive