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Report #2850388

Received Jul 19, 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
1 yrs
State
NV
Recovered
Unknown
Vaccinated
Feb 2, 2023
Onset
May 28, 2025
Days to onset
846
Hospital days
—

Vaccines (3)

TypeNameManufacturerDoseLotRoute / Site
VARCELVARICELLA (VARIVAX)MERCK & CO. INC.1—OT
VARCELVARICELLA (VARIVAX)MERCK & CO. INC.3Z003767OT
VARCELVARICELLA (VARIVAX)MERCK & CO. INC.2—OT

Symptoms (2)

Extra dose administeredNo adverse event

Symptom narrative

no adverse event; HCP calling to report on the administration of an extra dose of VARIVAX to a patient. Patient inadvertently received 3 doses of VARIVAX. First and second dose on 02/02/2023 and 05/19/2023 respectively. The extra dose was administered on 5/28/2025. Co; This spontaneous report was received from a Nurse and refers to a 4-year-old 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 02-FEB-2023, the patient was vaccinated with the first dose of Varicella Virus Vaccine Live (Oka-Merck) (VARIVAX), Injection, (lot #, dose, strength, route of administration, anatomical location of vaccine and expiration date were not reported); On 19-MAY-2023, with the second dose of Varicella Virus Vaccine Live (Oka-Merck) (VARIVAX), (lot #, dose, strength, route of administration, anatomical location of vaccine and expiration date were not reported); and on 28-MAY-2025, the patient inadvertently received a third dose (extra dose) with Varicella Virus Vaccine Live (Oka-Merck) (VARIVAX), Injection (dose, strength, route of administration and anatomical location of vaccine were not reported), lot #Z003767, expiration date was reported as 30-JAN-2027, diluted with sterile diluent (MERCK STERILE DILUENT) (Lot# and expiration date were not reported) with no symptoms (no adverse event); all three doses were administered for prophylaxis.

Other medications

Sterile diluent solution for injection