In technical terms, stimulus generalization occurs when a previously-unassociated or new stimulus that has similar characteristics to the previously-associated stimulus elicits a response that is the same or as similar to the previously-associated response.
The first two shots are given at least four weeks apart, and the third shot is given six to 12 months after the second shot. After the initial tetanus series, booster shots are recommended every 10 years. If you experience a puncture wound and it's been more than five years since your last tetanus shot â or you can't remember when you had your last tetanus shot â it's best to get the booster shot. With.
How often should you have a tetanus jab and is there a limit to how many you can have? As a general rule you should have a tetanus booster every 10 years because immunity is provided for this length of time from each immunisation. If it has been longer than this since a previous injection, a course of injections will boost your immunity back to fully protected levels and enable the 10-yearly cover to restart.