Syfy is getting into the zombie business. The basic cable network has made a straight-to-series order for Day of the Dead, which THR calls "an ode to George A. Romero's 1985 feature." The low-cost feature is set to launch in 2021. Per THR, "Day of the Dead tells the story of six strangers trying to survive the first 24 hours of an undead invasion. The 10-episode series is produced by Cartel Entertainment, the film and TV production, management and financing company behind Shudder's Creepshow, among others." For those who have never seen Romero's …