Report #2900409

Received Jun 17, 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: NY
Recovered: Not recovered
Vaccinated: —
Onset: —
Days to onset: —
Hospital days: —

Vaccines (1)

Type	Name	Manufacturer	Dose	Lot	Route / Site
MNQ	MENINGOCOCCAL CONJUGATE (MENVEO)	NOVARTIS VACCINES AND DIAGNOSTICS	UNK	UNK	—

Symptoms (1)

Brain fog

Symptom narrative

Continuing brain fog 1 week after vaccination; This non-serious case was reported by a consumer via other manufacturer and described the occurrence of brain fog in a 52-year-old female patient who received Men ACWY-CRM NVS (Menveo) solution for injection for prophylaxis. On an unknown date, the patient received Menveo. On an unknown date, 1 week after receiving Menveo, the patient experienced brain fog (Verbatim: Continuing brain fog 1 week after vaccination). The outcome of the brain fog was not resolved. It was unknown if the reporter considered the brain fog to be related to Menveo. Additional Information: GSK Receipt Date:12-JUN-2026 The batch number was not provided upon follow up with the reporter.