Immunogenicity and Safety of Hepatitis A Vaccine Given at the Same Time of Measles, Mumps, Rubella Combined Vaccine

Inclusion Criteria: * Aged 12-13 months on the day of inclusion * Born at full term of pregnancy (\>37 weeks) with a birth weight ≥ 2.5 kg * Informed consent form signed by the parent(s) or other legal representative * Able to attend all scheduled visits and to comply with all trial procedures * Subjects having received only one or no injection of vaccine against Measles * Subjects anti-HAV seronegative according to the results obtained at the screening visit\* Exclusion Criteria: * Participation in another clinical trial in the 4 weeks preceding the (first) trial vaccination * Planned participation in another clinical trial during the present trial period * Congenital or acquired immunodeficiency, immunosuppressive therapy such as long-term systemic corticosteroids therapy * Systemic hypersensitivity to any of the vaccines components or history of a life-threatening reaction to the trial vaccines or a vaccine containing the same substances * Chronic illness at a stage that could interfere with trial conduct or completion * Blood or blood-derived products received in the past 3 months * Any vaccination in the 4 weeks preceding the first trial vaccination * Vaccination planned in the 4 weeks following any trial vaccination * History of hepatitis A, Mumps, Measles and/or Rubella infection (confirmed either clinically, serologically or microbiologically) * Previous vaccination against hepatitis A with the trial vaccine or another vaccine * Previous vaccination against Mumps, Measles and Rubella with a Mumps, Measles and Rubella trivalent combined vaccine * Thrombocytopenia or a bleeding disorder contraindicating intramuscular vaccination * History of seizures * Febrile illness (axillary temperature ≥37.4°C\]) on the day of inclusion