Report #2850740

Received Jul 22, 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: 1.7 yrs
State: TX
Recovered: Unknown
Vaccinated: Jul 7, 2025
Onset: Jul 7, 2025
Days to onset: 0
Hospital days: —

Vaccines (2)

Type	Name	Manufacturer	Dose	Lot	Route / Site
MMRV	MEASLES + MUMPS + RUBELLA + VARICELLA (PROQUAD)	MERCK & CO. INC.	1	Y019171	SC / RL
VARCEL	VARICELLA (VARIVAX)	MERCK & CO. INC.	1	Y015101	SC / LL

Symptoms (1)

Extra dose administered

Symptom narrative

Medication Error - MMRV ProQuad (Y019171) administered in combination with Varicella Merck (lot#Y015101) on the same office visit on 07/07/2025. Medication error was found today 07/22/2025. Patient guardians have NOT contacted immunization office with any adverse reactions/side effects from injections.

Current illness

None - per Health Survey / General Consent Form completed by parents

Medical history

None - per Health Survey / General Consent Form completed by parents

Other medications

None - per Health Survey / General Consent Form completed by parents

Allergies

None - per Health Survey / General Consent Form completed by parents

Lab data

none