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Report #2890055

Received Mar 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
MA
Recovered
Unknown
Vaccinated
Mar 4, 2026
Onset
Mar 4, 2026
Days to onset
0
Hospital days

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
MMRVMEASLES + MUMPS + RUBELLA + VARICELLA (PROQUAD)MERCK & CO. INC.UNKZ010730

Symptoms (2)

No adverse eventProduct storage error

Symptom narrative

No additional AE; The nurse is reporting that a patient received improperly stored vaccine; This Spontaneous report was received from a Nurse and referred to a patient of unknown age and gender. The patient's medical history was not reported. The patient's past medications were not reported. The patient's concomitant medications were not reported. On 04-Mar-2026, the patient was vaccinated with improperly stored Measles, Mumps, Rubella and Varicella (Oka-Merck) Virus Vaccine Live lyophilisate and solvent for solution for injection (PROQUAD) 1 dosage form (valid lot number: Z010730; expiration date: 22-Dec-2026) for prophylaxis (route of administration was not reported) (Product storage error). Temperature excursion was reported as -12.50 C for the time frame of 4 hours 50 minutes 0 seconds (there was no previous temperature excursion). The vaccine was reconstituted with sterile diluent (lot# and expiration date were not reported). It was reported that the diluent did not experience temperature excursion. There was no additional AE/No PQC reported (No adverse event). Lot# is being requested (regarding sterile diluent) and will be submitted if received.

Other medications

Sterile diluent