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Report #2852397

Received Aug 2, 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
CO
Recovered
Unknown
Vaccinated
Apr 10, 2025
Onset
Apr 10, 2025
Days to onset
0
Hospital days
—

Vaccines (2)

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

Symptoms (2)

Extra dose administeredNo adverse event

Symptom narrative

No additional AE; co-administration of PROQUAD and VARIVAX to a patient.; This spontaneous report was received from a medical assistant and refers to a patient of unknown age and gender. The patient's medical history, current conditions and concomitant therapies was not reported. On 10-APR-2025, the patient received inadvertent concomitant administration of Measles, Mumps, Rubella and Varicella (Oka-Merck) Virus Vaccine Live (PROQUAD), Injection (exact dose, strength, anatomical route of administration, lot # and expiration date were not reported) and Varicella Virus Vaccine Live (Oka-Merck) (VARIVAX), Injection (exact dose, strength, anatomical route of administration, lot # and expiration date were not reported) (Accidental overdose). There were no symptomatic events reported (no adverse event). This is an invalid case due to lack of patient's identifiers. Lot number is being requested and will be submitted if received.

Other medications

Sterile diluent