Received Apr 19, 2026
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| HEP | HEP B (RECOMBIVAX HB) | MERCK & CO. INC. | UNK | X024136 | — |
No additional AE; HCP calling to report an adult patient was inadvertently administered a pediatric dose of RECOMBIVAX HB. Caller states that she believes this was the first dose, however is uncertain. No symptoms reported and no additional details provided. No a; This spontaneous report was received from a health professional and refers to an adult patient of unknown age and gender. The patient's medical history was not reported. The patient's concurrent conditions were not reported. Concomitant therapies were not reported. On 20-MAR-2026, the patient was vaccinated with a pediatric dose of Hepatitis B Vaccine (Recombinant) (RECOMBIVAX) (dose, frequency, anatomical site, route of administration were not provided) (lot #X024136 has been verified to be valid, expiration date: 21-MAY-2026) as prophylaxis (Product administered to patient of inappropriate age). No additional adverse event were reported. At the reporting time, the outcome of the events was not provided.