I think Tai's wound looks good in the hammock shot, it looks like it's healing to me, and I am beginning to question if that wound takes him out or not. I am beginning to be a little suspect of Joe and Neal, however.
Jason is fine with the shoulders, I never thought he was in contention for medivac....sun burn.
Julia's legs look like fresh bites, they don't look infected to me.
I think that is Cydney's body in the background doing Debbie's hair, it's just blurry so it looks like a beard. fwiw.
Whoever starts to spike a fever at night will be the one that gets evacuated...duh.