How long is a Tdap immunization good for?The vaccines protect: Nearly everyone (97 in 100) against diphtheria for approximately 10 years. Virtually everyone against tetanus for approximately 10 years.
Is it OK to get Tdap twice?It's usually OK to receive an extra booster of the tetanus vaccine. Vaccination is the best way to prevent tetanus — a serious disease caused by a bacterial toxin that affects the nervous system.
Is Tdap vaccine lifelong?After receiving Tdap, people should receive Td or Tdap every 10 years for routine booster immunization against tetanus and diphtheria, according to previously published guidelines.
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