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Report #2890755

Received Mar 25, 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
Female
Age
Age unknown
State
MO
Recovered
Unknown
Vaccinated
Onset
Days to onset
Hospital days

Vaccines (2)

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

Symptoms (1)

Food allergy

Symptom narrative

patient that is currently 15 years old received 2 doses of GARDASIL 9 and was recently diagnosed with Alpha-gal syndrome; This spontaneous report was received from a pharmacist concerning a currently 15-year-old female patient. The patient's medical history, past medications, concurrent conditions, concomitant medications and drug reactions/allergies were not reported. On unreported date (s), the patient was vaccinated with the first two doses of human papillomavirus 9-valent vaccine, recombinant (GARDASIL 9) suspension for injection, 1 dosage form each (batch/lot number [s], anatomical location [s], and route [s] of administration were not reported) administered a prophylaxis. On an unknown date (reported as "recently") after receiving the first two doses, the patient was diagnosed with Alpha-gal syndrome (food allergy). The exact timing of the diagnosis was unknown in relation to receiving the human papillomavirus 9-valent vaccine, recombinant (GARDASIL 9), and the reporter could not provide or confirm additional details. The outcome of the event was not provided. The causal relationship between the event and human papillomavirus 9-valent vaccine, recombinant (GARDASIL 9) was not reported. Batch/lot# is being requested and will be submitted if received.