The Australian Immunisation Handbook 10th Edition 2013

in the previous 10 years. 19,45 Adults of all ages who require a booster dose of dT
vaccine should be encouraged to do so with dTpa vaccine, particularly if they
have not received a dTpa dose previously (see 4.19 Tetanus and 4.2 Diphtheria). 46
Travellers should receive a booster dose of dT (or dTpa if not given previously)
if more than 10 years have elapsed since the last dose of dT-containing vaccine.
For persons undertaking high-risk travel, consider giving a booster dose of either
dTpa or dT (as appropriate) if more than 5 years have elapsed since the last dose
of a dT-containing vaccine (see 4.19 Tetanus and 4.2 Diphtheria).
For those adults requiring additional protection from polio (see 4.14 Poliomyelitis),
dTpa-IPV can be used.
For additional information on adults with no history of a primary course of dT
or pertussis-containing vaccine requiring catch-up, see 4.19 Tetanus and 2.1.5
Catch-up.
Persons in contact with infants and others at increased risk from pertussis
There is significant morbidity associated with pertussis infection in infants