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Report #2857008

Received Sep 5, 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
Female
Age
Age unknown
State
OH
Recovered
Unknown
Vaccinated
—
Onset
—
Days to onset
—
Hospital days
—

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
HPV9HPV (GARDASIL 9)MERCK & CO. INC.UNK——

Symptoms (2)

No adverse eventProduct administered to patient of inappropriate age

Symptom narrative

No additional adverse events were reported; A medical assistant called and reported that a male 5 year old twin and a female 5 year old twin both received a dose of GARDASIL 9 inadvertently.; This spontaneous report was received from an Other health professional (Medical Assistant) and refers to a 5-year-old twin female patient. The patient's medical history, concurrent conditions, and concomitant therapies were not reported. On an unknown date, the patient was inadvertently vaccinated with Human Papillomavirus 9-valent Vaccine, Recombinant (GARDASIL 9), Suspension for injection (exact dose, dose number, route of administration, anatomical location, lot # and expiration date were not reported) for prophylaxis (product administered to patient of inappropriate age). No additional adverse events were reported (no adverse event). This is one of two reports received from the same reporter (refers to other twin patient). Additional information is not expected.