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Report #2892893

Received Apr 15, 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
CO
Recovered
Unknown
Vaccinated
Apr 9, 2026
Onset
Apr 9, 2026
Days to onset
0
Hospital days

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
HPV9HPV (GARDASIL 9)MERCK & CO. INC.UNKZ008727

Symptoms (4)

Exposure during pregnancyNo adverse eventProduct use issueWrong product administered

Symptom narrative

No additional AE; GARDASIL 9 was inadvertently administered to a 28 week 4 day pregnant 34 yr old female; Gardasil 9 administered instead of RHOGAM and TDAP; This spontaneous retrospective pregnancy report was received from other health professional, concerning a 34-year-old female patient. The patient's medical history, concurrent conditions and concomitant therapies were not reported. The pregnancy/fetal outcome were not provided. On 09-Apr-2026, the patient was vaccinated with Human Papillomavirus 9-valent Vaccine, Recombinant (GARDASIL 9) (lot #Z008727 has been verified to be valid, expiration date reported and confirmed as 18-Aug-2027) 0.5 mL (route not provided), as prophylaxis. This vaccine was administered at 28 week and 4 days of pregnancy. It was administered instead of antiD immunoglobulin (Rho(D) immune globulin) (RHOGAM) and s: toxoids and purified protein components, specifically tetanus toxoid, diphtheria toxoid, and acellular pertussis antigens (examples include pertussis toxin [inactivated] (TDAP), the person administering just grabbed the wrong vaccine (Wrong product administered) (Exposure during pregnancy). No adverse event reported (No adverse event).