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Yellow Fever 17DD Vaccine

Centers for Disease Control and Prevention · FDA-approved active Biologic

The Yellow Fever 17DD vaccine stimulates the immune system to produce antibodies and cellular immunity against yellow fever virus by using a live attenuated (weakened) viral strain.

The Yellow Fever 17DD vaccine stimulates the immune system to produce antibodies and cellular immunity against yellow fever virus by using a live attenuated (weakened) viral strain. Used for Prevention of yellow fever in endemic regions and travelers to yellow fever-endemic areas.

At a glance

Generic nameYellow Fever 17DD Vaccine
SponsorCenters for Disease Control and Prevention
Drug classlive attenuated vaccine
ModalityBiologic
Therapeutic areaImmunology
PhaseFDA-approved

Mechanism of action

The 17DD strain is a live attenuated yellow fever virus that replicates in vaccinated individuals without causing disease, triggering both humoral (antibody) and cell-mediated immune responses. This generates protective immunity against wild-type yellow fever virus infection. The vaccine has been used for decades and provides durable protection in the majority of vaccinees.

Approved indications

Common side effects

Key clinical trials

Primary sources

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SourceUsed for
ClinicalTrials.govTrial enrolment, design, endpoints, results

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