Continuity mistake: As "Sandman" is making its bombing run, the bomb door is opened - in the next side angle shot of the plane, the door is shut again.
Continuity mistake: When Kevin Spacey is rushed into the hospital after collapsing, the medical people rip his shirt off to apply ice bags. In the next shot they are stuffing ice bags up under his intact shirt.
Continuity mistake: Throughout the film, Maj. Casey Schuler's hair is dyed strawberry blonde. In the scene where he convulses from being infected with the virus and is rushed to an available hospital bed, his hair color changes to his natural dark locks. In his death scene a few minutes later, his hair color is back to being strawberry blonde.