Report #2876914

Received Dec 8, 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: 78 yrs
State: FL
Recovered: Not recovered
Vaccinated: Nov 12, 2024
Onset: —
Days to onset: —
Hospital days: —

Vaccines (2)

Type	Name	Manufacturer	Dose	Lot	Route / Site
COVID19	COVID19 (COVID19 (PFIZER-BIONTECH))	PFIZER\BIONTECH	1	—	OT / LA
FLU3	INFLUENZA (SEASONAL) (FLUZONE HIGH-DOSE)	SANOFI PASTEUR	UNK	—	OT / LA

Symptoms (1)

Breast enlargement

Symptom narrative

Significant increase in size of her left breast; This is a spontaneous report received from an Other HCP. An elderly female patient received BNT162b2 omicron (kp.2) (COMIRNATY (2024-2025 FORMULA)), on 12Nov2024 at 10:03 as dose 1, single (Batch/Lot number: unknown) at the age of 78 years intramuscular, in left arm for covid-19 immunisation; influenza vaccine inact split 3v (FLUZONE HIGH DOSE), on 12Nov2024 at 10:03 as dose number unknown, single intramuscular, in left arm for immunisation. The patient's relevant medical history and concomitant medications were not reported. The following information was reported: BREAST ENLARGEMENT (non-serious), outcome "not recovered", described as "Significant increase in size of her left breast". The information on the batch/lot number for BNT162b2 omicron (kp.2) will be requested and submitted if and when received.