Goofs

Mikaela's father, the facility director, within a minute of first seeing him in the movie, his skin ulcers have increased.

In the 52nd minute of the movie, the CCTV camera's live time stamp is 04:51 (451 a.m.) It is afternoon, or perhaps evening at the latest. This is a common mistake made by film production and editing crews who are unfamiliar with CCTV cameras.

One of the women soldiers has the US flag on her right chest backward. None of the party have flags on either shoulder, except one male soldier who has a flag patch on his let shoulder.

For an island in the south Pacific, there is very little jungle canopy; the trees are very thinned out.

None in the party are wearing Navy SEAL uniforms.

A woman member of the military team is wearing a blue jean jacket and black jeans with a generic black ball cap, unlike her team members who are in uniform, except for one other woman..

It's a file cabinet, not a 'filing cabinet' as Mikaela says.

The plot summary claims a military group are sent to a deserted island. The island is not deserted.

If someone is in the process of turning into a zombie and is spitting up blood, someone would not be a foot or two away from their mouth. It's Zombieism 101, folks.

When one sees overhead hots of the south Pacific island, there is clearly an oil facility complex.