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Report #2895042

Received Apr 30, 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
SC
Recovered
Unknown
Vaccinated
Apr 24, 2026
Onset
Apr 24, 2026
Days to onset
0
Hospital days
—

Vaccines (2)

TypeNameManufacturerDoseLotRoute / Site
MMRVMEASLES + MUMPS + RUBELLA + VARICELLA (PROQUAD)MERCK & CO. INC.1Z016961—
MMRVMEASLES + MUMPS + RUBELLA + VARICELLA (PROQUAD)MERCK & CO. INC.UNK——

Symptoms (2)

No adverse eventProduct storage issue

Symptom narrative

No additional AE; Nurse called to report vaccine administration after temperature excursion to two patients.; This spontaneous report was received from a nurse and refers to a patient of unknown age and gender. Information regarding the patient's pertinent medical history, drug allergies or reactions, concomitant medications was not provided. On 24-Apr-2026, the patient was vaccinated with an improperly stored dose of Measles, Mumps, Rubella and Varicella (Oka-Merck) Virus Vaccine Live (PROQUAD) dose 1, (dose, route of administration, vaccination scheme frequency and anatomical location not reported, lot number Z016961, which was verified to be valid, expiration date on 04-May-2027) for prophylaxis, the suspect vaccine was reconstituted with sterile diluent (Hollister-Stier) (lot number and expiration date not reported)(Product storage error). No additional adverse event reported.