Immunogenicity of Yellow Fever Vaccine in a Pediatric Population Vaccinated at 12-23 Months of Age in Argentina
Yellow Fever
About this trial
This is an interventional prevention trial for Yellow Fever focused on measuring Antibodies response, Yellow Fever Vaccine
Eligibility Criteria
Inclusion Criteria: Children enrolled in the 2015 study received one dose of YF vaccine and had documented seroconversion regardless of the Healthy child, determined by clinical history Availability to perform a single blood draw Informed consent signed by the parents. Exclusion Criteria: Children in the 2015 study received one dose of the Yellow Fever vaccine and had NO documented seroconversion. Children enrolled in the 2015 study received a dose of the Yellow Fever vaccine and had documented seroconversion but, for different reasons, received a booster (minimum interval of one month between doses). Children enrolled in the 2015 study received one dose of the Yellow Fever vaccine and had documented seroconversion but developed Yellow Fever Children enrolled in the 2015 study received one dose of the Yellow Fever vaccine and had documented seroconversion but are participating in another clinical drug trial of a drug, vaccine, or medical device Children enrolled in the 2015 study received a dose of the Yellow Fever vaccine and had documented seroconversion but, for various reasons, are immunocompromised: Weakened immune function, including HIV infection, primary immunodeficiencies, having received immunosuppressive doses of oral or injectable corticosteroids (or equivalent), having received immunomodulators or chemotherapeutic agents, disease of the thymus, Severe illness/fever (mild illness without fever is not an exclusion criteria) ● Any condition that, in the judgment of study personnel, poses a risk to the health of the participant or interferes with the assessment of response to the vaccine
Sites / Locations
- SAMIC Eldorado Hospital
- SAMIC Obera Hospital
- Favoloro Hospital
Arms of the Study
Arm 1
Experimental
Yellow fever seropositive vaccinated pediatric population in Argentina
Yellow fever seropositive pediatric population in Argentina after receiving the YF vaccine at 12-23 months of age.