Report #2843835

Received Jun 4, 2025

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: PA
Recovered: Unknown
Vaccinated: May 5, 2025
Onset: May 5, 2025
Days to onset: 0
Hospital days: —

Vaccines (1)

Type	Name	Manufacturer	Dose	Lot	Route / Site
HEP	HEP B (RECOMBIVAX HB)	MERCK & CO. INC.	UNK	X024136	—

Symptoms (2)

No adverse eventProduct administered to patient of inappropriate age

Symptom narrative

No additional AE; an adult has been administered the child dose of RECOMBIVAX HB; This spontaneous report was received from a medical assistant and referred to an adult 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 05-MAY-2025, the adult patient was vaccinated with child dose of Hepatitis B Vaccine (Recombinant) (RECOMBIVAX HB) Injection (strength: 5 microgram/0.5 ml, lot # X024136, expiration date: 21-MAY-2026; dose, route and anatomical site were unknown) for prophylaxis (underdose). No additional adverse event (no adverse event). The outcome of the events was unknown.