Two characters clearly plan on having sex at one point, but never get the chance to do so.

A few f-words and other profanities.

A man constantly drinks. He is shown drunk once or twice.

Most of the movie is gloomy and suspenseful. A lot of jump scares via a raptor killing people. The end result of the virus spreading is very disturbing. A lot of the horror in the movie is diminished by the low budget special effects, but it is still a very violent, disturbing movie.