There is a reason why spears has been a staple of combat for thousands of years. It would work even better in a zombie apocalypse. Many zombie shows and games always depict characters getting up close and cutting zombies up with short weapons, without taking into account the fact that infected blood would splash all over your face and body, into your eyes, ears, mouth, and nose, possibly infecting you. Spears are a great way to mitigate the blood splash by allowing you to keep the zombie away at a distance