Revealing: As Ana is driving away from her home, when we see her car driving from a shot high above, we see a car crashing in to a gas station making a huge explosion. However the trees a few feet away from the explosion don't move. The shockwave would have made them react at least a bit.

Factual error: In the scene where the survivors are first in the mall, you can see a store called Roots with a Canadian beaver logo. While the movie was filmed in Canada, it is supposed to take place in the USA where Roots has a different logo.

Continuity: When Ana hands over the file to Cora, Cora grabs the file on the side. When it cuts she grabs it on the top of the file.

Factual error: When they are eating, there's a box of chicken labelled PFK (Poulet Frit a la Kentucky), the French equivalent of KFC. This film take place in the USA, but has been filmed in Canada where most products are labelled in English and French.

Visible crew/equipment: When Michael is about to open the door where he finds the janitor, there is a close up shot of the door handle where you see the reflection of three studio spotlights.

Continuity: When Dr. Dandewar hangs up the phone you can see the phone chord gets twirled up. When it cuts the chord is straight.

Continuity: When Ana is standing by her car she is standing at the end of the back seat window. When it cuts to Luis come running out the door she has stepped a feet or two backwards.

Continuity: At the beginning of the movie, when Ana is escaping from her husband, she crashes into the bath and in the process pulls down the shower curtain and rail. The shot from above shows the curtain rail landing on top of her, but when the shot immediately switches to show to show a close up of her sitting in the bath, the rail appears to be propped up just behind her right shoulder.

Continuity: When Dr. Dandewar has hung up the phone we see him holding the X-ray in his hand. When it cuts he is holding it with both hands.

Continuity: When Ana leaves the hospital she approaches an ambulance. As the walkie-talkie scrambles she puts her arm on her hip. When it cuts her arm is down.

Continuity: When Ana is driving home we see an above shot of her car as she approaches Vivian. When it cuts to Ana stopping right next to Vivian you can see there a far more cars in the background than it was in the previous shots.

Continuity: When Ana is done talking with Dr. Dandewar she gets to Cora's desk and places her files on the desk. When it cuts the brown file on the desk has moved.

Visible crew/equipment: When Ana is about to leave Cora she asks her if Cora can page Dr. Dandewar, then she starts walking. As Cora starts talking you can see the boom mic move reflected in the window right beside Cora's head.

Continuity: When Norma places the case on the table, Ana says she shall go check on Luda while placing a box horizontally in the case. When it cuts the box is lying vertically.

Continuity: When Ana is talking to Cora at the beginning, Ana has her elbow on the counter and her hand behind her neck. Her hand changes positions from shot to shot.

Continuity: When the gang of survivors goes to Andy's gun shop, one of them shoots a zombie and he proceeds to fall on his knees. The scene cuts to the gang and then to the charging zombies and the shot zombie falls again.

Continuity: After Norma has been killed and Ana says someone should say something, Kenneth moves forth while saying "There is nothing to say," and Nicole comes out from behind the counter and walks a few feet. When it cuts she is walking out from behind the counter again.

Continuity: When they are going to rescue Nicole from Andy's store, Michael shoots a zombie in the head and blood splatters on the side of the truck. The amount of blood on the side differs between the shots.

Continuity: When Michael breaks the safety glass for the axe, some of the glass remains intact. When it cuts the glass is gone.

Continuity: When they crash their truck Steve jumps out of it. The truck is quite dusty and Steve's hand slides on the side of the truck leaving a mark in the dust. Later when Kenneth jumps out of the truck you can see the side has been wiped clean, removing not only Steve's mark, but a whole area of dust.