Question: what is the difference between adacel and boostrix?
Answer: What is the difference between the two Tdap products - Boostrix and Adacel? Both of these vaccines provide protection against diphtheria, tetanus, and pertussis. Boostrix (GSK) is licensed for people ages 10 years and older, and Adacel (Sanofi Pasteur) is licensed for people ages 10 through 64 years.