Safety and Reactogenicity of GSK Biologicals' Inactivated Poliomyelitis Vaccine (IPV) (Poliorix™) in Infants

• Occurrence of solicited local and general symptoms. [ Time Frame: During the 4-day follow-up period after each dose of study vaccine. ] [ Designated as safety issue: No ]
• Occurrence of unsolicited symptoms. [ Time Frame: During the 31-days follow-up period after each dose of the study vaccine. ] [ Designated as safety issue: No ]
• Occurrence of serious adverse events (SAEs). [ Time Frame: From Dose 1 up to one month following last vaccine dose. ] [ Designated as safety issue: No ]

The study will evaluate the safety and reactogenicity of PoliorixTM given as primary vaccination course to Chinese children at 2, 3 and 4 months of age.

Inclusion Criteria:

• A male or female infant between, and including, 60 and 90 days of age at the time of the first vaccination.
• Born after a gestation period of 36 to 42 weeks inclusive.
• 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.
• Written informed consent obtained from the parent or guardian of the subject.
• Healthy subjects as established by medical history and clinical examination before entering into the study.

Exclusion Criteria:

• Use of any investigational or non-registered product other than the study vaccine(s) 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.
• Administration of immunoglobulins and/or any blood products since birth or planned administration during the study period.
• Administration of a vaccine not foreseen by the study protocol within 30 days prior to vaccination, or planned administration during the study period, with exception of DTP, Hib and/or hepatitis B vaccine(s).
• 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.
• Evidence of previous or intercurrent poliomyelitis disease or vaccination.
• History of seizures or progressive neurological disease.
• Any confirmed or suspected immunosuppressive or immunodeficient condition, based on medical history and physical examination.
• History of allergic disease or reactions likely to be exacerbated by any component of the vaccine(s).
• Major congenital defects or serious chronic illness. The following condition is temporary or self-limiting and a subject may be vaccinated once the condition has resolved and no other exclusion criteria are met:
• Current febrile illness or axillary temperature > 37.0 ºC or other moderate to severe illness within 24 hours of study vaccine administration.