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Report #2857033

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
MO
Recovered
Unknown
Vaccinated
Sep 2, 2025
Onset
Sep 2, 2025
Days to onset
0
Hospital days
—

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
MENMENINGOCOCCAL (NO BRAND NAME)UNKNOWN MANUFACTURERUNKU8573AAOT

Symptoms (2)

Exposure during pregnancyNo adverse event

Symptom narrative

given menquadfi to a pregnant patient with no reported adverse event; Initial information received on 02-Sep-2025 regarding an unsolicited valid non-serious case received from a other health professional. This case involves an unknown age pregnant female patient who was exposed to vaccine MENINGOCOCCAL A-C-Y-W135 (T CONJ) VACCINE [MENQUADFI] with no reported adverse event. Data regarding this pregnancy were received prospectively, i.e. before pregnancy outcome was known. The date of last menstrual period was not reported. The estimated due date was not reported. The patient's past medical history, medical treatment(s), vaccination(s) and family history were not provided. The patient had unknown previous pregnancy/ies. On 02-Sep-2025, the pregnant patient was given unknown dose of suspect MENINGOCOCCAL A-C-Y-W135 (T CONJ) VACCINE, Solution for injection (lot U8573AA; Expiration Date :30-Sep-2028; Strength not reported) via unknown route in unknown administration site for Immunization with no reported adverse event (exposure during pregnancy) (latency: same day). Reportedly they did not knowthat the patient was pregnant when the vaccine was administered. After the vaccine was given, they ran a pregnancy test when the patient already left, and it turned out positive (patient was pregnant). Relevant prenatal testing after exposure was not reported. Relevant laboratory test results included: Pregnancy test - On 02-Sep-2025: Positive Action taken: Not applicable. Additionally, at time of reporting, the outcome of the pregnancy was unknown.

Lab data

Test Date: 20250902; Test Name: pregnancy test; Test Result: Positive