Quarantine (2008)

Quarantin is an american horror film directed by John Erick Dowdle with the main casts Jennifer Carpenter, Jay Hernandez, Steve Harris and other famous stars.
When Angela Viday (Jennifer Carpenter) and her cameraman (Steve Harris) assign to stay overnight to set out a report at Los Angeles Fire Station.
An emergency call that takes them to an apartment complex. Police officers are already there when they arrived. Sooner they realize that a woman in the building have infected by a deadly unknown disease and they are trapped inside no way to get out. There mobile phones, tvs, internet connection have been cut off.
This is really a breath-taking movie. This horror film is one my favourie horror movie I cannot forget.