VAERS Explorer
Back to explore

Report #2886248

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

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
MMRVMEASLES + MUMPS + RUBELLA + VARICELLA (PROQUAD)MERCK & CO. INC.UNKZ015274

Symptoms (2)

No adverse eventProduct storage error

Symptom narrative

No symptoms reported as of yet; the facility received the vaccine after the must be recieved by date and one dose was administered. The shipment had a must be received by date of 02/09/2026 and it was delivered on 02/10/2026.; This spontaneous report was received from a nurse and refers to a 4-year-old patient of unknown gender. The patient's medical history was not reported. The patient's concurrent conditions were not reported. Concomitant therapies were not reported. The facility received the vaccine after the must be received by date. The shipment had a must be received by date of 09-Feb-2026 and it was delivered on 10-Feb-2026. On 10-Feb-2026, the patient was vaccinated with Measles, Mumps, Rubella and Varicella (Oka-Merck) Virus Vaccine Live (PROQUAD), (lot #Z015274, expiration date: 30-Mar-2027) (strength, dose, frequency, and anatomical location were not provided) for prophylaxis, diluted with sterile diluent (strength, dose, frequency, lot #, and expiration date were not reported) (Delayed dose administration). No symptoms were reported.

Other medications

STERILE DILUENT