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Report #2880432

Received Jan 2, 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
Male
Age
Age unknown
State
—
Recovered
Unknown
Vaccinated
—
Onset
—
Days to onset
—
Hospital days
—

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
HEPHEP B (NO BRAND NAME)UNKNOWN MANUFACTURERUNKUNK—

Symptoms (1)

Incorrect dose administered

Symptom narrative

Inappropriate dose administered/gave child dose instead of adult dose; Inappropriate dose administered/gave child dose instead of adult dose; This non-serious case was reported by a nurse via call center representative and described the occurrence of underdose in a 23-year-old male patient who received Hepatitis B vaccine for prophylaxis. On an unknown date, the patient received Hepatitis B vaccine. On an unknown date, an unknown time after receiving Hepatitis B vaccine, the patient experienced underdose (Verbatim: Inappropriate dose administered/gave child dose instead of adult dose) and adult use of a child product (Verbatim: Inappropriate dose administered/gave child dose instead of adult dose). The outcome of the underdose and adult use of a child product were not applicable. Additional Information: GSK Receipt Date: 29-DEC-2025 The nurse wanted to know what need to did for the next steps. The batch number was not provided and a request for this information has been made.