D.C. Mun. Regs. tit. 22, r. 22-B141

Current through Register Vol. 71, No. 49, December 6, 2024
Rule 22-B141 - TETANUS, DIPHTHERIA (TD); TETANUS, DIPHTHERIA, ACELLULAR PERTUSSIS (TDAP)
141.1

A student who has not received primary immunization for tetanus, diphtheria and pertussis by seven (7) years of age shall receive tetanus, diphtheria (Td)-containing vaccine as follows:

(a) Until the beginning of the 2008/2009 school year, each student shall receive a total of three (3) doses of Td-containing vaccine. The first and second doses shall be administered not less than four (4) weeks and not more than eight (8) weeks apart. The third dose shall be administered not less than six (6) months and not more than seven (7) months after the second dose. It is recommended that one dose be Tdap vaccine for students eleven (11) years of age or older.
(b) After the 2008/2009 school year, the student shall receive a total of three (3) doses of Td-containing vaccine. The first and second doses shall be administered not less than four (4) weeks and not more than eight (8) weeks apart. The third dose shall be administered not less than six (6) months and not more than seven (7) months after the second dose. Tdap shall be administered in place of one (1) dose Td-containing vaccine, preferably the first dose, for students eleven (11) years of age or older.
141.2

DTP, DT, or DTaP doses administered before age seven (7) may satisfy § 141.1, unless given before the appropriate age or at less than the required minimum interval between doses. If the last dose of DT-containing vaccine was given before four (4) years of age, one additional dose of Td or Tdap shall be administered.

141.3

Beginning with the 2008/2009 school year, if the last dose of the primary DT-containing immunization series or booster was administered before age seven (7), a Tdap booster dose shall be administered no sooner than five (5) years after the previous dose at eleven (11) years of age, but no later than the twelfth (12) birthday. If the last dose of the primary DT-containing immunization series or booster was administered on or after age seven (7), a Tdap booster dose shall be administered no earlier than five (5) years and not later than six (6) years after the last DT-containing immunization.

141.4

A Td or Tdap-containing booster shall be administered at ten (10) years after the primary series or the last booster and by eleven (11) years of age. Tdap shall be used for one (1) dose beginning with the 2008/2009 school year.

D.C. Mun. Regs. tit. 22, r. 22-B141

Final Rulemaking published at 44 DCR 1656, 1662 (March 21, 1997); Final Rulemaking published at 55 DCR 5253 (May 2, 2008)