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Report #2889407

Received Mar 17, 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
TX
Recovered
Unknown
Vaccinated
Feb 23, 2026
Onset
Feb 23, 2026
Days to onset
0
Hospital days

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
VARCELVARICELLA (VARIVAX)MERCK & CO. INC.UNKZ015169

Symptoms (2)

No adverse eventProduct storage error

Symptom narrative

No additional AE; administration of the improperly stored vaccine; This spontaneous report was received from a nurse and refers to a patient of unknown age and gender. The patient's medical history was not reported. The patient's concurrent conditions were not reported. Concomitant therapies were not reported. On 23-Feb-2026, the patient was vaccinated with Varicella Virus Vaccine Live (Oka-Merck) (VARIVAX) powder and solvent for solution for injection (lot #Z015169, expiration date: 29-Sep-2027), 0.5 mL administered as prophylaxis. The vaccine was reconstituted with sterile diluent (MERCK STERILE DILUENT) (lot #2190800, expiration date: 31-Jul-2027). The vaccine was administered after being improperly stored (Product storage error). No additional adverse event. At the reporting time, the outcome of the events was unknown. The action taken with the suspect products was not applicable.

Other medications

MERCK STERILE DILUENT