None.

Several shooting and bleeding throughout.

A few scenes of people getting their finger(s) chopped off.

Infected people eat and kill people.

A few uses of the word "fuck", other swearing too, but not very much.

About 45 uses of Fuck, 2 motherfuckers, 15 shits, 1 pussy, and a few damns.

A man takes pills.

Some people steal alcohol, possibly cigarettes too, but don't use them.

A drug-addicted woman asks for drugs in exchange for information and takes them (prescription pain killers?) when she gets them.

Some may find the infected people disturbing and frightening.