expired dose administered; This non-serious case was reported by a other health professional via call center representative and described the occurrence of expired vaccine used in a patient who received Hib (Hiberix) (expiry date 14-DEC-2024) for prophylaxis. On 16-DEC-2024, the patient received Hiberix. On 16-DEC-2024, an unknown time after receiving Hiberix, the patient experienced expired vaccine used (Verbatim: expired dose administered). The outcome of the expired vaccine used was unknown. Additional Information: GSK receipt date: 09-JAN-2025 The reporter reported that the patient was administered Hiberix two days after expiration date which led to, expired vaccine used. The health care professional did not had patient details or lot number of the suspect.