VAC-SIP-YF (Vaccination- Safety & Immunogenicity During Pregnancy- Yellow Fever)

Inclusion Criteria: Common : * Person over 18 years of age at the time of the first yellow fever vaccination * Female gender * Oral consent obtained after subject has been informed * Subject covered by Social Security with the exception of Aide Médicale d'Etat Specific to both groups : * For women vaccinated during pregnancy (case): Primary yellow fever vaccination during pregnancy * For women vaccinated outside pregnancy (control): Primary yellow fever vaccination outside pregnancy Exclusion Criteria: Criteria common to both sections (tolerance and immunogenicity): * Subject having received a second yellow fever vaccination * Persons unable to give informed consent for participation * Women born in areas where yellow fever is endemic * Female adults under legal protection (guardianship or trusteeship) Specific criteria for participants in the immunogenicity section: * Medical condition imcompatible with 18.5 mL blood * Women who have not given written consent to participate in the study. immunogenicity