Inappropriate age; This non-serious case was reported by a other health professional via call center representative and described the occurrence of inappropriate age at vaccine administration in a 7-year-old male patient who received DTPa (Infanrix) (batch number 47Y5M, expiry date 26-JUN-2026) for prophylaxis. On 02-JAN-2025, the patient received Infanrix. On 02-JAN-2025, an unknown time after receiving Infanrix, the patient experienced inappropriate age at vaccine administration (Verbatim: Inappropriate age). The outcome of the inappropriate age at vaccine administration was unknown. This report is made by GSK without prejudice and does not imply any admission or liability for the incident or its consequences. Additional Information: GSK Receipt Date: 03-JAN-2025 The health care professional reported that a seven years and ten months old patient received a dose of Infanrix, which led to inappropriate age at vaccine administration. The vaccine administration facility was the same as primary reporter.