VAERS Explorer
Back to explore

Report #2894948

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
TX
Recovered
Unknown
Vaccinated
Apr 24, 2026
Onset
Apr 24, 2026
Days to onset
0
Hospital days
—

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
MMRVMEASLES + MUMPS + RUBELLA + VARICELLA (PROQUAD)MERCK & CO. INC.UNKZ016961—

Symptoms (1)

Product 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. The patient's medical history, concurrent conditions and concomitant therapies were not reported. On 24-Apr-2026, the patient was vaccinated with Measles, Mumps, Rubella and Varicella (Oka-Merck) Virus Vaccine Live (ProQuad), (valid lot #Z016961, expiration date: 04-May-2027) as prophylaxis, which undervent temprerature excursion of 8 C in time frame of 694 hours 0 minutes 0 seconds (Product storage error). No previous temperature excursion was reported The vaccine was reconstituted with sterile diluent (Hollister-Stier STERILE DILUENT), (lot # and expiration date were not reported). No additional adverse event (AE) was reported.

Other medications

Sterile diluent