Brain freeze

I just started a meetup group for genre books, and I'm having trouble figuring out what book I want to have us read first. I'm torn between one of my favorite books (Patient Zero by Jonathan Maberry) and one I've got mixed feelings on (Feed by Mira Grant). I've read both before, and I figured I might be able to facilitate a (Zoom) discussion on either one. I just can't choose.

Of course.... I don't own Feed, which is influencing me slightly.