Received Nov 17, 2025
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| HEPA | HEP A (VAQTA) | MERCK & CO. INC. | 3 | Z003748 | — |
| HEPA | HEP A (VAQTA) | MERCK & CO. INC. | 1 | — | — |
| HEPA | HEP A (VAQTA) | MERCK & CO. INC. | 2 | — | — |
The caller reported the patient is asymptomatic/No additional Adverse Event reported; patient had already completed the 2 dose series of VAQTA. Vaccine history was originally unknown, so that is why they provided another dose of VAQTA.; This spontaneous report was received from a physician and refers to a(n) 4-year-old patient of unknown gender. The patient's medical history, concurrent conditions, and concomitant therapies were not reported. On an unknown date, the patient had already completed the two-dose series of Hepatitis A Vaccine, Inactivated (VAQTA) (formulation, lot #, expiration date, exact dose, route of administration and anatomical location were not provided) for prophylaxis. On 21-Oct-2025, the patient was vaccinated with another dose of Hepatitis A Vaccine, Inactivated (VAQTA), lot #Z003748, expiration date: 08-Jul-2026 (formulation, exact dose, route of administration and anatomical location were not provided) for prophylaxis. The reporter stated that the patient's vaccine history was originally unknown, so that is why they provided another dose of Hepatitis A Vaccine, Inactivated (VAQTA) (extra dose administered). Confirmed no symptomatic adverse events to report (no adverse event).