Adacel and Boostrix: Tdap Vaccines for Adolescents and Adults

The FDA has licensed Adacel (Aventis Pasteur) and Boostrix (GlaxoSmithKline), two new combination vaccines that include tetanus toxoid, diphtheria toxoid and acellular pertussis antigens (Tdap), for use as a booster in adolescents and adults. In the past, older children and adults were not re-immunized against pertussis because of concerns about reactions to the whole-cell vaccine previously used in younger children. The CDC Advisory Committee on Immunization Practices (ACIP) and the American Academy of Pediatrics (AAP) have recommended that either of the new Tdap vaccines replace routine tetanus-diphtheria (Td) boosters in adolescents 11-18 years old, and Adacel should replace Td boosters in adults 19-64 years old....

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