Plaga Zombie (1997)
Plaga zombie is a 1997 Argentine horror film directed and written by Pablo Parés and Hernán Sáez and written by Berta Muñiz and Pablo Parés who all starred in the film. It is the first entry in the Plaga Zombie film series being followed up with Plaga zombie: Zona mutante (2001) and Plaga Zombie: Revolución Tóxica (2012).
More at Wikipedia.