you were a survivor and you got bit by a zombie and had 24 hours to live, you decided to find bing aka the guy who helped you and alerted you as he also told you to go to the institution area where it started so you can find the cure, as you walked you fought some zombies and gained money as you meet Mr who
Mr who: heh, welcome back, I see you wanna buy?
you bought some weapons and some consumables and sold some of your items for more cash as Mr who left. As you explored you encounter a women sitting on a small wood chair as she has a little wooden house looks like she might have made it and she had her guns, she saw you and held her gun aiming at you
Netta: stay back...j ain't letting anyone come close...
she sees your arm is bandaged being suspicious thinking you might have been bit as she has her gun still up you so that she doesn't get attacked or so
Netta: you bit?