No need for adult booster tetanus or diphtheria: study
No significant difference between countries that routinely give adult boosters and those that don't
![Booster](https://www.ausdoc.com.au/wp-content/uploads/2022/08/vaccines_syringe_vaccination_immunisation_003-3.jpg)
There is no evidence that adult booster vaccinations for tetanus and diphtheria are beneficial in many countries, a study shows.
US researchers compared the incidence of tetanus and diphtheria in 31 European and North American countries with or without a recommendation for adult booster vaccination, using WHO case reports from 2001-16.