Helena: I don't think we're alone in here.
Leon: Helena, grab your gun. Shit! Don't let them in! That's our cue to get the hell out of here.
Helena: I couldn't agree more. Okay.
Leon: Let's go.
Helena: Leon, it's too late. There's nothing we can do.
Leon: You're right. Let's get the hell out of here. He said it was some sort of fog. If this thing is spread in gas form then anyone who breathed it in got infected.
Helena: That would mean everyone on campus.
Leon: Yeah, but then why is it so quiet? I've got a bad feeling about this. Didn't mean to interrupt. I wonder if there are any survivors?