Received Feb 18, 2026
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| HIBV | HIB (HIBERIX) | GLAXOSMITHKLINE BIOLOGICALS | 2 | 7P7L9 | — |
Hiberix had accidentally been administered without proper reconstitution; Hiberix had accidentally been administered without proper reconstitution; This non-serious case was reported by a nurse via call center representative and described the occurrence of inappropriate preparation of medication in a 6-month-old male patient who received Hib (Hiberix) (batch number 7P7L9, expiry date 08-DEC-2026) for prophylaxis. On 06-FEB-2026, the patient received the 2nd dose of Hiberix. On 06-FEB-2026, an unknown time after receiving Hiberix, the patient experienced inappropriate preparation of medication (Verbatim: Hiberix had accidentally been administered without proper reconstitution) and inappropriate dose of vaccine administered (Verbatim: Hiberix had accidentally been administered without proper reconstitution). The outcome of the inappropriate preparation of medication and inappropriate dose of vaccine administered were not applicable. Additional Information: GSK Receipt Date:11-FEB-2026 A licensed practical nurse contacted GlaxoSmithKline to report that they had a scenario where they noticed that one dose of Hiberix had accidentally been administered without proper reconstitution, but they were unsure of which of the four patients that were involved received the improper dose. The reporter calling in to request information about any GlaxoSmithKline data concerning the administration of the 3rd dose of Hiberix as they were unsure of which patient did not receive the correct dose and were planning on administering another to the patients involved. This is 1 of 4 linked cases reported by the same reporter for different patients.; Sender's Comments: US-GSK-US2026020495:SAME REPORTER US-GSK-US2026020508:Same reporter/Different patient US-GSK-US2026020497:Same reporter/Different patient