Tetanus, diphtheria, acellular pertussis vaccine (Tdap)
and tetanus, diphtheria vaccine (Td)
Adolescent booster: 1 dose Tdap at 11–12 years of age
Adult boosters: Tdap OR Td every 10 years
Pregnant individuals: See “Immunizations in pregnancy.”
Individuals ≥ 7 years of age with:
Incomplete DTaP series: 1 dose of Tdap; followed by either Tdap OR Td for subsequent doses as needed. [12]
Completed DTaP series (with incomplete Tdap): 1 dose of Tdap; then Tdap OR Td boosters every 10 years [12]
Source: AMBOSS - https://next.amboss.com/us/article/zm0rRg?utm_source=navbar&utm_medium=anki&utm_campaign=anki&utm_term=tdap%2Bvaccine&guid=FzZ%252COFpT4G&aid=793b0a38-1ca6-4f92-badd-741202faae21&uid=YQldnu9J0#Zcda63daf6d9ede60df77ea4c4034000f