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Report #2874681

Received Nov 24, 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
GA
Recovered
Unknown
Vaccinated
Nov 17, 2025
Onset
Nov 17, 2025
Days to onset
0
Hospital days
—

Vaccines (2)

TypeNameManufacturerDoseLotRoute / Site
HBHEPBHIB + HEP B (COMVAX)MERCK & CO. INC.UNK——
MMRVMEASLES + MUMPS + RUBELLA + VARICELLA (PROQUAD)MERCK & CO. INC.UNK——

Symptoms (3)

Extra dose administeredInappropriate schedule of product administrationNo adverse event

Symptom narrative

No additional AE; a 2 yr old patient received a 2nd dose of PROQUAD early (they are not due again until age 4); Medical Assistant called to report that a 2 yr old patient received a 2nd dose of PROQUAD early (they are not due again until age 4); and also an inadvertent extra dose of PEDVAXHIB today; This spontaneous report was received from a medical assistant and refers to a 2-year-old patient of unknown gender. The patient's medical history, concurrent conditions and concomitant therapies were not reported. On 17-NOV-2025, the patient was vaccinated with Measles, Mumps, Rubella and Varicella (Oka-Merck) Virus Vaccine Live (PROQUAD). The vaccine was reconstituted with with sterile diluent (Hollister-Stier STERILE DILUENT), (lot # and expiration date were not reported). This vaccine was received early, as it should had been administered again until age 4 (inappropriate schedule of product administration; product administered to patient of inappropriate age). On the same date, the patient was also inadvertently vaccinated with an extra dose of Haemophilus b Conjugate Vaccine (Meningococcal Protein Conjugate) (LIQUID PEDVAX HIB) (extra dose administered). Both vaccines were administered as 0.5 mL (strenght, lot # and expiration date, route and anaotmical site of administration were not reported) for prophylaxis. No adverse effects were reported (No adverse event).

Other medications

Sterile diluent