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1 DTaP (diphtheria, tetanus, and pertussis) (What is a PDF document?): DTaP is given in a series of 5 shots beginning at age 2 months and ending at ages 4 to 6 years. 2  Tdap (tetanus, diphtheria, and pertussis) (What is a PDF document?) : Tdap is the first booster shot for tetanus and is recommended at age 11 or 12.
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.