Written, directed, and edited by 12-year-old Emily Hagins. She had previously created a number of short films.
At a small grocery store in Austin, Texas, closed early one night so that Emily Hagins could film a scene involving 30 zombies of all ages inside and outside of the store.
Emily Hagins received a grant from the Texas Filmmakers Production Fund for the post-production work on Pathogen (2006), and so did a documentary production company making a documentary called "Zombie Girl", about the making of Pathogen (2006) and Emily.