Severed (2005)

Storyline:

Severed (2005) A multi-national forestry company engages in genetic experimentation to increase logging yield in a remote section of forest. But the experimentation goes disastrously wrong, transforming a disparate group of loggers and environmental activists into the "infected" -- ravenous, zombie-like creatures who prey upon the few terrified survivors while they attempt to understand and control the disaster...