Vaccines aren't just for kids! As you age, protection from vaccines you received as a child can fade and you may be vulnerable to new diseases. Your adult immunization needs depend on your age, lifestyle, medical conditions, travel plans, and vaccination history.
DTaP contains diphtheria, tetanus and acellular pertussis vaccines for children age 6 weeks through 6 years. Pediatric DT contains diphtheria and tetanus without the pertussis components for children age 6 weeks through 6 years. "Adult" Td contains tetanus and a smaller amount of diphtheria than the pediatric version and is used for children age 7 years through adulthood. TdaP contains tetanus, a smaller amount of diphtheria than the pediatric version and is used for adolescents and adults. One brand is licensed for age 10 through 18 years and the second brand is licensed for age 11 through 64 years.
CDC Vaccine Information Statements (VIS):