Report #2893220

Received Apr 20, 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: WI
Recovered: Unknown
Vaccinated: Apr 16, 2026
Onset: Apr 16, 2026
Days to onset: 0
Hospital days: —

Vaccines (1)

Type	Name	Manufacturer	Dose	Lot	Route / Site
HBHEPB	HIB + HEP B (COMVAX)	MERCK & CO. INC.	3	x020942	OT

Symptoms (2)

Expired product administeredNo adverse event

Symptom narrative

The reporter confirmed no symptomatic adverse events.; Inbound call from a nurse calling to report the inadvertent administration of an expired dose of PEDVAX HIB. Caller stated that PEDVAX HIB dose had a labeled expiration date of 03/7/2026 and was administered on 04/16/2026. The caller confirmed no s; This spontaneous report was received from a nurse referring to a patient of unknown age and gender. The patient's medical history, historical drugs, past drug adverse reactions or allergies, concurrent conditions, and concomitant drugs were not reported. On 16-APR-2026, the patient was vaccinated with the third dose of haemophilus b conjugate vaccine (Meningococcal Protein Conjugate) (PEDVAXHIB) (0.5 ml, lot#: x020942, expiration date: 07-MAR-2026) via route of subcutaneous by a health professional inadvertently for prophylaxis (expired product administered). The reporter confirmed no symptomatic adverse events.