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Report #2887038

Received Feb 26, 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
Male
Age
4 yrs
State
NM
Recovered
Unknown
Vaccinated
Jan 5, 2026
Onset
Jan 5, 2026
Days to onset
0
Hospital days

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
MMRVMEASLES + MUMPS + RUBELLA + VARICELLA (PROQUAD)MERCK & CO. INC.1Z014047OT / LL

Symptoms (2)

No adverse eventProduct storage error

Symptom narrative

no adverse event; improper storage; This Spontaneous report was received from Other health professional and referred to a 4 -year-old Male patient. 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 05-Jan-2026, the patient started therapy with Measles, Mumps, Rubella and Varicella (Oka-Merck) Virus Vaccine Live lyophilisate (PROQUAD)(Batch/Lot Number: Z014047, Expiration date: 03-Mar-2027) via Subcutaneous (Anatomical Site:Left Thigh) reconstituted with sterile diluent Solution for injection Asked But Unknown Batch/Lot Number via Subcutaneous. The vaccine underwent temperature excursion (-12.0 C for 40 minutes). Temperature went higher than was allowed. Nurse spoke to team as to why this could have occurred. The nurse removed built up ice in freezer. The patient experienced no adverse event (No adverse event).; Sender's Comments: Priority : 5 , Is case serious : No , Index user : , Index date : 2026-02-20 , MNSC number : , CLIC number : , ESTAR number : , IRMS number : , Central date : 2026-02-20 , Classification : DMC, Attachment description : Post Marketing Basic , Safety case number :

Other medications

Sterile diluent