Received Jun 10, 2025
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| HEPA | HEP A (VAQTA) | MERCK & CO. INC. | UNK | — | — |
A FBE called on behalf of an HCP to report an AE for VAQTA in which a 0.5mL pediatric dose administered to an adult patient on an unknown date who should have instead received a 1mL dose. The FBE stated the patient did not experience any other advers; the patient did not experienced any other adverse issues or side effects; This spontaneous report was received from a nurse and refers to a 20-year-old female patient. The patient's concurrent conditions, medical history, concomitant medications, drug reactions or allergies were not reported. On an unknown date, the patient was vaccinated with a dose of Hepatitis A Vaccine, Inactivated (VAQTA) (lot #, expiration date, route of administration, anatomical location not provided) as prophylaxis; but the patient was administered 0.5 mL (which is the pediatric dose) instead of 1 mL (incorrect dose administered). The patient did not experience any other adverse issue or side effect from the dose administered.