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Report #2847380

Received Jun 26, 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
Male
Age
Age unknown
State
—
Recovered
Unknown
Vaccinated
Oct 2, 2024
Onset
May 29, 2025
Days to onset
239
Hospital days
—

Vaccines (4)

TypeNameManufacturerDoseLotRoute / Site
MMRVMEASLES + MUMPS + RUBELLA + VARICELLA (PROQUAD)MERCK & CO. INC.2——
MMRVMEASLES + MUMPS + RUBELLA + VARICELLA (PROQUAD)MERCK & CO. INC.3——
MMRVMEASLES + MUMPS + RUBELLA + VARICELLA (PROQUAD)MERCK & CO. INC.UNK——
MMRVMEASLES + MUMPS + RUBELLA + VARICELLA (PROQUAD)MERCK & CO. INC.UNK——

Symptoms (2)

Extra dose administeredNo adverse event

Symptom narrative

No symptoms reported at the time of the call; extradose adminsitered; This spontaneous report was received from a health care professional on 23-Jun-2025 and refers to a 5-year-old male patient. The patient's medical history, and concurrent conditions were not reported. Historical vaccines included Measles, mumps, and rubella virus vaccine live (M-M-R II), and (Varicella zoster vaccine live (Oka/Merck)) (VARIVAX), administered on 15-Jun-2021. Concomitant therapies were not reported. On 02-Oct-2024, the patient was vaccinated with a second dose of Measles, Mumps, Rubella and Varicella (Oka-Merck) Virus Vaccine Live (PROQUAD)injection, dose: 0.5 mL (route of administration, anatomical location, lot # and expiration date were not reported) with sterile diluent, dose: 0.5 mL (route of administration, anatomical location, lot # and expiration date were not reported), on the same date for prophylaxis. On 29-May-2025, the patient was vaccinated with a third dose of Measles, Mumps, Rubella and Varicella (Oka-Merck) Virus Vaccine Live (PROQUAD) injection,dose: 0.5 mL (route of administration, anatomical location, lot # and expiration date were not reported) with sterile diluent, dose: 0.5 mL (route of administration, anatomical location, lot # and expiration date were not reported), on the same date for prophylaxis (Extra dose administered). No symptoms reported at the time of the call.