Tetanus is not necessarily a required vaccine, but I personally think it can be a wise decision to get one. I did, for Central America. Here’s an article that may help you decide for yourself.
How Dangerous Is Tetanus Really? 10 FAQs
by James Hubbard, MD, MPH — The Survival Doctor.
This article about Tetanus and the debate about getting a Tetanus shot — and many more that may be of help to you are on his website, The Survival Doctor.
His survival-medicine website, as he says: “provides general information, not individual advice. Most scenarios assume the victim cannot get expert medical help.”