There is one sex scene, but brief and not explicit.

Some.

Mild for the average person, moderate for young viewers. The actions are not shown, but the consequences.

Big claw marks are shown on the body of dead people.

A doctor is shown in the jungle taking teeth out of its patients mouth. This scenes are a bit bloody because in the middle of the jungle there is no actual equipment.

There are some alcohol drinking and smoking. Brief.

There is one scene at the end, the final battle of the old man, that it may be quite intense for some.