Harry has been sentenced to prison and whilst he’s used to that world, his 4-year-old daughter Lauren is not. He uses his first and only phone call to ring home and speak to her.
A lamb is seen alive on the farm towards the end of the movie, however when the protagonists make their escape from the zombie outbreak on the farm, the lamb is not with them, so the viewer must assume it was left behind and therefore dies, given how the farm is eradicated by the military.