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Report #2898117

Received May 28, 2026

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
PA
Recovered
Unknown
Vaccinated
Aug 1, 2011
Onset
May 12, 2026
Days to onset
5398
Hospital days

Vaccines (2)

TypeNameManufacturerDoseLotRoute / Site
HPV4HPV (GARDASIL)MERCK & CO. INC.1
HPV9HPV (GARDASIL 9)MERCK & CO. INC.2

Symptoms (3)

Inappropriate schedule of product administrationInterchange of vaccine productsNo adverse event

Symptom narrative

I am inquiring about the Gardasil Vaccine. I received the HPV4 vaccine in 8/2011. I did not get dose 2 or 3 at the time.; No additional AE; they administered HPV9 to me yesterday.; This spontaneous report was received from a Physician Assistant referring to itself as the patient. The patient's concurrent conditions, medical history, previous drug reactions, drug allergies and concomitant therapies were not reported. In August 2011, the patient was vaccinated with a first dose of Quadrivalent Human Papillomavirus (Types 6, 11, 16, 18) Recombinant Vaccine (GARDASIL) (site of administration, lot #, and expiration date were not provided), the 2nd and 3rd doses were not received at that time (Inappropriate schedule of product administration). After following up with the health department, they administered Human Papillomavirus 9-valent Vaccine, Recombinant (GARDASIL®9) (Also reported as HPV9) as the second dose on 12-May-2026 (Reported as Yesterday) (site of administration, lot #, and expiration date were not provided) (Interchange of vaccine products); as prophylaxis. No additional adverse event (AE) reported.