The purpose of this study is to assess the reactogenicity and safety of GSK Biologicals' liquid human rotavirus vaccine in healthy infants aged 6 to 16 weeks at the time of the first dose of vaccination.

Inclusion Criteria:

• Subjects who the investigator believes that their parent(s)/Legally Acceptable Representative(s) can and will comply with the requirements of the protocol.
• A male or female infant of Chinese origin between, and including, 6 and 16 weeks of age at the time of the first vaccination.
• Written informed consent obtained from the parent(s)/ Legally Acceptable Representative(s) of the subject.
• Healthy subjects as established by medical history and clinical examination before entering into the study.
• Born after a gestation period of 36 to 42 weeks inclusive.

Exclusion Criteria:

• Child in care.
• Use of any investigational or non-registered product other than the study vaccine within 30 days preceding the first dose of study vaccine, or planned use during the study period.
• Chronic administration of immunosuppressants or other immune-modifying drugs since birth (for corticosteroids, this will mean prednisone, or equivalent, >= 0.5 mg/kg/day. Inhaled and topical steroids are allowed).
• Planned administration/administration of a vaccine not foreseen by the study protocol within 30 days of the first dose of the human rotavirus vaccine or placebo except for the routine childhood vaccinations.
• Any clinically significant history of gastrointestinal disease including any uncorrected congenital malformation of the gastrointestinal tract that would predispose for intussusception.
• Any confirmed or suspected immunosuppressive or immunodeficient condition, based on medical history and physical examination.
• A family history of congenital or hereditary immunodeficiency.
• History of allergic disease or reactions likely to be exacerbated by any component of the vaccine.
• Major congenital defects or serious chronic illness.
• Acute disease at the time of enrolment..
• History of confirmed rotavirus gastroenteritis.
• Gastroenteritis within 7 days preceding the study vaccine or placebo administration.
• Previous vaccination with rotavirus vaccine or planned to use during the study period.
• Administration of immunoglobulins and/or any blood products since birth or planned administration during the study period.
• 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.

Patient-level data for this study will be made available through www.clinicalstudydatarequest.com following the timelines and process described on this site.