Mutants (2009) is a bleak French horror film set in a post-apocalyptic world overrun by a deadly virus that transforms humans into savage creatures. Following a couple trapped in an abandoned hospital, the story combines survival horror, body horror, and emotional despair in the vein of 28 Days Later and The Crazies.

Från IMDB:
In the middle of a zombie apocalypse, a resourceful couple hides out in an isolated abandoned building. The woman is pregnant and the man is infected, slowly transforming into the kind of inhuman monster they are trying to escape.