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Report #2837627

Received Apr 23, 2025

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
—
Recovered
Unknown
Vaccinated
—
Onset
—
Days to onset
—
Hospital days
—

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
MMRVMEASLES + MUMPS + RUBELLA + VARICELLA (PROQUAD)MERCK & CO. INC.UNKY011209—

Symptoms (3)

Circumstance or information capable of leading to medication errorNo adverse eventUnderdose

Symptom narrative

HCP called to report that during administration of PROQUAD the patient "moved". The HCP is unable to confirm if the patient received the full dose.; No additional adverse event; 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 an unknown date, the patient was vaccinated with Measles, Mumps, Rubella and Varicella (Oka-Merck) Virus Vaccine Live (PROQUAD), 0.5 mL, lot #Y011209; which has been verified to be valid to be valid for Measles, Mumps, Rubella and Varicella (Oka-Merck) Virus Vaccine Live, expiration date reported and upon internal review establish as 18-DEC-2025, administered for prophylaxis and with sterile diluent (BAXTER STERILE DILUENT) (indication, expiration date, and lot # were not reported). It was reported that during the administration of the vaccine the patient moved so the nurse was unable to confirm if the patient received the full dose (Accidental underdose). No additional adverse event (No adverse event).

Other medications

Merck sterile diluent