Doomsday Survival Zombie Mode

How many days can you survive in zombie mode? As a college student, you returned to your hometown during the summer vacation, and an unknown virus suddenly appeared in your city, but you had no idea about it because the place you were in was a small rural city. The city was basically infected. Only the small village you were in was not infected for some unknown reason. When your classmates asked you to go out to play, you found out that everyone in your entire city, excluding the small village, was infected. So in this situation, can you survive until rescue comes? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.