Efficacy, Safety, Reactogenicity & Immunogenicity of the Rotarix Vaccine in Japanese Infants

Inclusion Criteria:

• Healthy male or female infant between, and including, 6 and 14 weeks (42-104 days) of age at the time of the first vaccination.
• Subjects who the investigator believes that their parents/guardians can and will comply with the requirements of the protocol should be enrolled in the study
• Healthy subjects as established by medical history and clinical examination before entering into the study.
• Written informed consent obtained from the parent or guardian of the subject.
• Born between a gestation period of 36 and 42 weeks inclusive.

Exclusion Criteria:

• Use of any investigational or non-registered product (drug or vaccine) other than the HRV vaccine within 30 days preceding the first dose of HRV vaccine, or planned use during the study period.
• History of use of experimental rotavirus vaccine.
• Chronic administration of immunosuppressants or other immune-modifying drugs since birth.
• Concurrently participating in another clinical study, at any time during the study period, in which the subject has been or will be exposed to an investigational or a non-investigational product (pharmaceutical product or device).
• Uncorrected congenital malformation (such as Meckel's diverticulum) of the gastrointestinal tract that would predispose for intussusception.
• Any clinically significant history of chronic gastrointestinal disease including any uncorrected congenital malformation of the gastrointestinal tract or other serious medical condition determined by the investigator.
• History of allergic disease or reactions likely to be exacerbated by any component of the vaccine.
• Previous confirmed occurrence of RV GE.
• Any confirmed or suspected immunosuppressive or immunodeficient condition based on medical history and physical examination (no laboratory testing is required).
• A family history of congenital or hereditary immunodeficiency.
• Acute disease at the time of enrolment.
• Gastroenteritis within 7 days preceding the study vaccine administration.
• Administration of immunoglobulins and/or any blood products since birth or planned administration during the study period.