Report #2839245

Received May 2, 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: 24 yrs
State: IA
Recovered: Unknown
Vaccinated: Apr 30, 2025
Onset: Apr 30, 2025
Days to onset: 0
Hospital days: —

Vaccines (2)

Type	Name	Manufacturer	Dose	Lot	Route / Site
VARCEL	VARICELLA (VARIVAX)	MERCK & CO. INC.	UNK	X010523	—
VARCEL	VARICELLA (VARIVAX)	MERCK & CO. INC.	UNK	—	—

Symptoms (2)

Expired product administeredNo adverse event

Symptom narrative

No adverse effects were reported/ no additional AE; VARIVAX was inadvertently administered to a patient on 4/30/2025, with an expiration date of 4/11/2025.; This spontaneous report was received from a Nurse and refers to a 24-year-old patient of unknown gender. The patient's medical history, concurrent conditions, previous drugs reactions or allergies and concomitant therapies were not reported. On 30-APR-2025, the patient was inadvertently vaccinated with Varicella Virus Vaccine Live (Oka-Merck) (VARIVAX REFRIGERATOR STABLE), Injection (lot #X010523, expiration date: 11-APR-2025) at a dose of 0.5 mL (route of administration not provided) reconstituted with sterile diluent (BAXTER STERILE DILUENT) (dose description, lot # and expiration date were not reported) for prophylaxis (expired vaccine administered). No adverse effects were reported.