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A 22-year-old female asked:

I took tetanus diphtheria pertussis vaccine dtap/tdap. i don't remember last when i took this vaccine. maybe when child/teen i'm 21 years old now. i have just read pertussis vaccine should not be taken before 10 years of last dose. is there any risk?

2 doctor answers3 doctors weighed in
Dr. Wendell Sumner
Pediatrics 54 years experience
In a word, no. Taking the pertussis vaccine early is generally safe. At 21 years of age most young people are due for a booster but it would cause no harm to receive the vaccine early.
Created for people with ongoing healthcare needs but benefits everyone.
Dr. Amrita Dosanjh
Pediatric Allergy and Asthma 37 years experience
Keep vaccines current and review your records with your physician. A booster may be provided and at your age, it is reasonable to obtain a booster. Antibody testing is available to confirm the presence of protective antibodies.
Created for people with ongoing healthcare needs but benefits everyone.

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Last updated Apr 30, 2021

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