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Report #2895166

Received May 3, 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
NE
Recovered
Unknown
Vaccinated
Mar 25, 2026
Onset
Mar 25, 2026
Days to onset
0
Hospital days

Vaccines (2)

TypeNameManufacturerDoseLotRoute / Site
MMRMEASLES + MUMPS + RUBELLA (PRIORIX)GLAXOSMITHKLINE BIOLOGICALSUNK
MMRVMEASLES + MUMPS + RUBELLA + VARICELLA (PROQUAD)MERCK & CO. INC.UNKZ007581

Symptoms (1)

Incorrect dose administered

Symptom narrative

Nurse confirmed the patient has not reported any medical concerns or symptoms as a result of this report; Nurse stated that a patient was administered the vaccines with the same antigen during a routine vaccination appointment; 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 25-MAR-2026 (also reported as February 2026; conflicting information), the patient was vaccinated with Measles, Mumps, Rubella and Varicella (Oka-Merck) Virus Vaccine Live (PROQUAD) powder for solution for injection, lot #Z007581 [which has been verified to be a valid lot number for Measles, Mumps, Rubella and Varicella (Oka-Merck) Virus Vaccine Live], expiration date reported and upon internal validation establish as 12-OCT-2026, as a 0.5 milliliters (mL) (0.5 mL / Two dose series) administered for prophylaxis (strength, dose number, route and anatomical site of administration were not provided). The vaccine was reconstituted with sterile diluent (Hollister-Stier STERILE DILUENT) solution for injection (lot # and expiration date were not reported). The patient was also vaccinated with Measles vaccine live (Schwartz); Mumps vaccine live (RIT 4385); Rubella vaccine live (Wistar RA 27/3) (PRIORIX) (strength, lot # and expiration date, route and anatomical site of administration were not reported). Nurse stated that the patient was administered these vaccines with the same antigen during a routine vaccination appointment due to an error in processing the patient during their appointment (Accidental overdose). Nurse confirmed that the patient has not reported any medical concerns or symptoms as a result of this report. No additional information provided.

Other medications

STERILE DILUENT