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How effective is the Tdap booster vaccine for whooping cough?

ANSWER

The Tdap booster vaccine has been in use since 2005. A single shot makes you about 90% immune to whooping cough. Exactly how long it works is unknown, but it seems to be at least 5 years. It also protects against tetanus and diphtheria.

SOURCES:

CDC: "Vaccines and Immunizations," "Diphtheria, Tetanus and Pertussis Vaccines: What You Need to Know."

eMedicine: "Pertussis."

CDC's Advisory Committee on Immunization Practices.

Reviewed by Hansa D. Bhargava on February 8, 2019

SOURCES:

CDC: "Vaccines and Immunizations," "Diphtheria, Tetanus and Pertussis Vaccines: What You Need to Know."

eMedicine: "Pertussis."

CDC's Advisory Committee on Immunization Practices.

Reviewed by Hansa D. Bhargava on February 8, 2019

NEXT QUESTION:

When can teens and adults get the Tdap booster vaccine for whooping cough?

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