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Report #2888393

Received Mar 10, 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 20, 2026
Onset
Feb 20, 2026
Days to onset
0
Hospital days

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
MMRMEASLES + MUMPS + RUBELLA (MMR II)MERCK & CO. INC.UNKY019931

Symptoms (1)

Product storage error

Symptom narrative

Medical assistant reported MMR II was administered after a temperature excursion. Date of administration: 2/20/2026. No further information provided. Cross reference AE cases: 02959183, 02959227, 02959228, 02959230 & 02959231. This is patient 4 of 6.; This spontaneous report was received from a medical assistant and refers to a patient of unknown age and gender. The patient's pertinent medical history, concurrent conditions, concomitant medications, and previous drug reactions or allergies were not reported. On 20-Feb-2026, the patient was vaccinated with Measles, Mumps, and Rubella (Wistar RA 27-3) Virus Vaccine, Live (M-M-R II), lot #Y019931 has been verified to be a valid lot number, expiration date: 04-Dec-2026, administered for prophylaxis (dose, route of administration and anatomical site of injection were not provided). The vaccine was reconstituted with sterile diluent (BAXTER Sterile Diluent) (indication, expiration date, and lot # were not reported). The vaccine was administered after a temperature excursion (temperature: 48.1°F; time frame: 28 hours) (product storage error). There was no previous temperature excursion. No further information was provided. No product quality complaint (PQC) was reported. This was one of several reports received from the same reporter.

Other medications

sterile diluent