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.
The other reason that patient got tetanus was that he hadnât had a tetanus shot since he was a young child. In the United States, babies are immunized against tetanus through a series of four vaccinations. Children then receive two tetanus booster shots between the ages of 4 and 12. After age 12, a tetanus booster shot usually is recommended every 10 years. Why are booster shots necessary? Because the immunity provided by a tetanus booster shot begins to wane after five to 10 years.