Top 2 in Top 10 best-of-all-time epidemic films.
Doomsday Trailer
This film is set in the year 2008 when there is a epidemic that kills the mass. The British government decided to take uninfected people from the danger zone. They also built walls to isolate people infected with the virus.
25 years later the virus begins to reappear. The government decided to nominate female officers Eden to penetrate inside the forbidden area to find the method to overcome this virus.