Patient received the first dose on December 19th 2024; This non-serious case was reported by a other health professional via call center representative and described the occurrence of drug dose administration interval too short in a 2-year-old male patient who received HAV (Havrix) (batch number C24B9, expiry date 06-MAY-2026) for prophylaxis. Concomitant products included HEPATITIS A VACCINE INACT (HAVRIX). On 02-JAN-2025, the patient received Havrix. On 02-JAN-2025, an unknown time after receiving Havrix, the patient experienced drug dose administration interval too short (Verbatim: Patient received the first dose on December 19th 2024). The outcome of the drug dose administration interval too short 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 Reporter stated that a patient were not transferred to the system and patient ended up receiving a dose of Pediarix, Priorix, Hiberix and Havrix on 02-JAN-2024. Later patient’s mother provided the immunization records and it was realized that extra doses were administered. Patient received the first dose on 19-DEC-2024. Male patient, 2 years and 2 months old. Patient received booster dose within a month which led to shortening of vaccination schedule. For another vaccines received by patient please refer US2025000647, US2025000645 and US2025000650.; Sender’s Comments: US-GSK-US2025000647:Same patient US-GSK-US2025000645:Same patient US-GSK-US2025000650:Same patient