Sounds like 28 Days in a building. I think you have a lot of possibilities for action and scares here. We'll see.

Thespian Columbus Short gave the online media a few more details about an upcoming Screen Gems thriller called QUARANTINE. At the This Christmas press junket, the actor told Blackfilm that he will be starring alongside Jay Hernandez, Jennifer Carpenter, Steve Harris and Jonathan Schaech. The remake of the Spanish horror film REC was written & directed by John Erick Dowdle and Drew Dowdle.
Plot Concept: A downtown Los Angeles apartment building is quarantined after a mysterious deadly and highly contagious strain of rabies breaks out. A reporter and her cameraman are among those trapped inside.