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A 30-year-old member asked:

How long does diphtheria vaccination last for?

2 doctor answers4 doctors weighed in
Dr. Kevin Windisch
Pediatrics 26 years experience
Usually a life time: The diptheria toxoid is very immunogenic so it's immunity lasts a lifetime. Diptheria is combined with tetanus and pertussis. The tetanus component needs to be given every 5-10 years.
Dr. Larry Lutwick
Infectious Disease 50 years experience
Boosters needed: The official recommendation is that one should receive a tetanus-diphtheria adult booster once every ten years to keep up immunity to both diseases.

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Last updated Mar 17, 2017


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