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Report #2898490

Received Jun 1, 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
Male
Age
Age unknown
State
MD
Recovered
Unknown
Vaccinated
May 27, 2026
Onset
May 27, 2026
Days to onset
0
Hospital days

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
MMRVMEASLES + MUMPS + RUBELLA + VARICELLA (PROQUAD)MERCK & CO. INC.UNKZ017243

Symptoms (2)

No adverse eventProduct administered to patient of inappropriate age

Symptom narrative

No symptomatic events were reported.; Inbound call from nurse to report a misuse AE for PROQUAD. Nurse reported that a dose of PROQUAD was inadvertently given to a 16 year old male patient.; This spontaneous report was received from a nurse and refers to a 16-year-old male patient. The patient's medical history, concurrent conditions and concomitant therapies were not reported. On 27-MAY-2026, the patient was inadvertently vaccinated with Measles, Mumps, Rubella and Varicella (Oka-Merck) Virus Vaccine Live (PROQUAD) powder for solution for injection, lot #Z017243 [which has been verified to be a valid lot number for Measles, Mumps, Rubella and Varicella (Oka-Merck) Virus Vaccine Live], with an expiration date reported and upon internal validation establish as 10-MAY-2027, 0.5 mL administered for prophylaxis (strength, route and anatomical site of administration were not reported). The vaccine was reconstituted with sterile diluent (Hollister-Stier STERILE DILUENT) solution for injection (lot # and expiration date were not reported) (Product administered to patient of inappropriate age). No symptomatic events were reported (No adverse event).

Other medications

Sterile diluent