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Report #2890988

Received Mar 27, 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
MA
Recovered
Unknown
Vaccinated
Onset
Days to onset
Hospital days

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
UNKVACCINE NOT SPECIFIED (NO BRAND NAME)UNKNOWN MANUFACTURERUNKNo batch number

Symptoms (1)

Unevaluable event

Symptom narrative

Patient with Alpha Gal allergies had an allergic reaction to Flucelvax; This spontaneous case, initially received on 20-Mar-2026, was reported by a health professional and concerns a patient of unknown age/gender. The patient's concomitant medications and medical History were unknown. Administration of company suspect drug: On an unknown date, the patient received Flucelvax (TIV) for indication: Not reported, Dose regimen: not reported, Route of administration: not reported, Anatomical location: not reported, Lot number: No batch number available and would be requested upon follow up. No additional suspect drugs. Adverse reactions/events and outcomes: On an unknown date, the Patient with Alpha Gal allergies had an allergic reaction to Flucelvax (outcome: Unknown). Information was requested regarding Flucelvax and the potential for Alpha-Gal–related reactions, including details on the presence of mammalian proteins in the composition of Flucelvax. The concern raised was that patients with Alpha-Gal syndrome might experience an allergic reaction to Flucelvax, and clarification was sought on whether such reactions had been reported. Flucelvax (TIV) action taken: Not Applicable Reporter's assessment: The reporter considered the seriousness as unknown and did not provide the causality assessment.; Reporter's Comments: The event is related due to temporal relationship plausibility.

Medical history

Comments: None