Zcov Virus : The Vaccinated

The story revolves around a Safety Officer named Rose who let a total of 500 people stay in her enclosed and safe company in times of Zombie pandemic.
However, when a Doctor named Naido experimented her and releases a hidden zombie,all of the people was infected except from her and Jake,the one she helped and vaccinated.
Rose with Jake went outside the enclosed company where they face greater trouble.