Study of ChimeriVax™ Tetravalent Dengue Vaccine in Healthy Peruvian Children Aged 2 to 11 Years

Inclusion Criteria :

• Aged 2 to 11 years on the day of inclusion.
• Subject in good health, based on medical history, physical examination and laboratory parameters.
• Provision of Assent Form signed by the subject (for subjects ≥8 years old) and Informed Consent Form signed by the parents or another legally acceptable representative (and by an independent witness for illiterate parent[s]).
• Subject and parents/legally acceptable representative able to attend all scheduled visits and to comply with all trial procedures.
• For a female subject of child-bearing potential (girls post-menarche), avoid becoming pregnant (use of an effective method of contraception or abstinence) for at least 4 weeks prior to first vaccination, until at least 4 weeks after the last vaccination.
• Documented receipt of yellow fever vaccine since at least one month before the first vaccination.

Exclusion Criteria :

• Personal or family history of thymic pathology (thymoma), thymectomy, or myasthenia.
• For a female subject of child-bearing potential (girls post-menarche), known pregnancy.
• For a female subject of child-bearing potential (girls post-menarche), known pregnancy or positive pregnancy test in blood sample taken at Screening.
• Participation in another clinical trial investigating a vaccine, drug, medical device, or a medical procedure in the 4 weeks preceding the first trial vaccination.
• Planned participation in another clinical trial during the trial.
• Known or suspected congenital or acquired immunodeficiency, immunosuppressive therapy such as anti-cancer chemotherapy or radiation therapy within the preceding 6 months, or long-term systemic corticosteroids therapy.
• Known systemic hypersensitivity to any of the vaccines components or history of a life-threatening reaction to the trial vaccines or to a vaccine containing any of the same substances.
• Systemic hypersensitivity to YF vaccine or history of a life-threatening reaction to YF vaccine.
• Chronic illness at a stage that could interfere with trial conduct or completion, in the opinion of the Investigator.
• Current or past alcohol abuse or drug addiction that may interfere with the subject's ability to comply with trial procedures.
• Receipt of any blood or blood-derived products in the past 3 months, that might interfere with the assessment of immune response.
• Receipt of any vaccine in the 4 weeks preceding the first trial vaccination.
• Planned receipt of any vaccine in the 4 weeks following the first trial vaccination.
• Human Immunodeficiency Virus, hepatitis B antigen, or hepatitis C seropositivity in blood sample taken at Screening.
• Clinically significant laboratory abnormalities (as determined by the Investigator) in blood sample taken at Screening.
• Known previous vaccination with pneumococcal polysaccharide vaccine.