Study Status: Completed
Recruit Status: Completed
Study Type: Observational [Patient Registry]
Official Title: Duration of Immunity After Two Doses of Vaccine Against Yellow Fever in Adults
Brief Summary: To evaluate the immune status of yellow fever in adults with a history of two or more doses of vaccine, having received the second dose for at least 1 year, compared to re-vaccinated individuals (second dose) after 30 days.