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Report #2864375

Received Oct 8, 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
CA
Recovered
Unknown
Vaccinated
Sep 15, 2025
Onset
Sep 15, 2025
Days to onset
0
Hospital days
—

Vaccines (2)

TypeNameManufacturerDoseLotRoute / Site
MMRMEASLES + MUMPS + RUBELLA (MMR II)MERCK & CO. INC.UNKY005808—
VARCELVARICELLA (VARIVAX)MERCK & CO. INC.UNKY017915—

Symptoms (1)

Product storage error

Symptom narrative

No additional AE; temperature excursions for VARIVAX and MMR-II; This spontaneous report was received from an administrator/supervisor (office manager) and referred 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 15-Sep-2025, the patient was vaccinated with Varicella Virus Vaccine Live (Oka-Merck) (VARIVAX) lyophilisate and solvent for solution for injection (0.5mL/once, lot #Y017915, expiration date: 28-Oct-2026; strength and anatomical site were not reported) and Measles, Mumps, and Rubella (Wistar RA 27-3) Virus Vaccine, Live (M-M-R II) lyophilisate and solvent for solution for injection (0.5mL/once, lot #Y005808, expiration date was reported as 01-Mar-2025, but upon internal validation established as 12-Mar-2026 ; strength and anatomical site were not reported) for prophylaxis. Both vaccines were reconstituted with sterile diluent (Hollister-Stier STERILE DILUENT) (lot # and expiration date were not reported). The vaccines had a temperature excursion at a temperature of 27.3 Fahrenheit Celsius (F) for 2 hours (Product storage error). There was no previous temperature excursion. No additional adverse events were reported (no adverse event).

Other medications

STERILE DILUENT