Received Nov 12, 2025
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| HEPA | HEP A (VAQTA) | MERCK & CO. INC. | UNK | — | — |
No additional AE; Nurse called and reported inadvertent administration of a pediatric dose of VAQTA to an adult patient on 20OCT2025. Limited patient demographics provided. No additional AE/no PQC.; This spontaneous report was received from a nurse and refers to a 61-year-old patient of unknown gender. The patient's medical history, concurrent conditions, and concomitant therapies were not reported. On 20-Oct-2025, the patient was inadvertently vaccinated with pediatric dose of Hepatitis A Vaccine, Inactivated (VAQTA), 0.5 mL (lot #, expiration date, exact dose, route of administration and anatomical location were not provided) for prophylaxis (Underdose). No additional adverse event reported (no adverse event).