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Report #2860367

Received Sep 22, 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
Male
Age
Age unknown
State
—
Recovered
Unknown
Vaccinated
—
Onset
Sep 1, 2025
Days to onset
—
Hospital days
—

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
COVID19COVID19 (COVID19 (PFIZER-BIONTECH))PFIZER\BIONTECH1——

Symptoms (1)

Memory impairment

Symptom narrative

A friend report that his doctor told him memory lapses are a side effect of, specifically, Pfizer COVID vaccines. The friend further stated he was experiencing this,; This is a spontaneous report received from a Consumer or other non HCP. An elderly male patient received BNT162b2 omicron (lp.8.1) (COMIRNATY (2025-2026 FORMULA)), as dose 1, single (Batch/Lot number: unknown) for covid-19 immunisation. The patient's relevant medical history and concomitant medications were not reported. The following information was reported: MEMORY IMPAIRMENT (non-serious) with onset Sep2025, outcome "unknown", described as "A friend report that his doctor told him memory lapses are a side effect of, specifically, Pfizer COVID vaccines. The friend further stated he was experiencing this,". It was unknown if therapeutic measures were taken as a result of memory impairment. The information on the batch/lot number for BNT162b2 omicron (lp.8.1) will be requested and submitted if and when received.