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Report #2880986

Received Jan 7, 2026

A note on interpretation. VAERS reports are unverified and may be incomplete or coincidental. A report does not establish that a vaccine caused an event, and counts should not be used to calculate incidence or infer causation. Full disclaimer

Overview

Sex
Unknown
Age
Age unknown
State
—
Recovered
Unknown
Vaccinated
—
Onset
—
Days to onset
—
Hospital days
—

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
HEPHEP B (RECOMBIVAX HB)MERCK & CO. INC.UNK——

Symptoms (2)

Incorrect dose administeredNo adverse event

Symptom narrative

Caller had initially requested information regarding side effects associated with providing an adult dose (1.0 mL) to a pediatric patient.; No adverse event; This spontaneous report was received from a health professional and refers to a pediatric patient of unknown gender. The patient's medical history was not reported. The patient's concurrent conditions were not reported. Concomitant therapies were not reported. On an unknown date, the patient was vaccinated with an adult dose of Hepatitis B Vaccine (Recombinant) (RECOMBIVAX HB), Injection 1 mL (1.0 mL), (administration route, anatomical site, lot # and expiration date were not reported) indicated as prophylaxis (Incorrect dose administered). No additional adverse event was provided. The outcome of the events was not provided. The action taken with Hepatitis B Vaccine (Recombinant) (RECOMBIVAX HB), was not applicable.