Received Nov 20, 2025
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| COVID19 | COVID19 (COVID19 (PFIZER-BIONTECH)) | PFIZER\BIONTECH | 2 | — | — |
I found out I had Breast CA a few months after my 2nd dose in 2021.; This is a spontaneous report received from a Consumer or other non HCP, Program ID. A patient (age and gender not provided) received BNT162b2 (BNT162B2), in 2021 as dose 2, single (Batch/Lot number: unknown) for covid-19 immunisation. The patient's relevant medical history and concomitant medications were not reported. Vaccination history included: Covid-19 vaccine (DOSE 1, SINGLE, Manufacturer unknown), for Covid-19 Immunization. The following information was reported: BREAST CANCER (medically significant) with onset 2021, outcome "unknown", described as "I found out I had Breast CA a few months after my 2nd dose in 2021.". Clinical course: The patient stated that "I know they are finding the covid vaccine is possibly linked to helping lung and skin cancer. I think it helped my breast cancer to. I found out I had Breast CA a few months after my 2nd dose in 2021. Everything they know about my type was different than they normally see. I only had 1 lump with type normally there are many. Normally mine kind spreads to surrounding tissue and mine had not. Normally my kind was in lymphnodes, mine was not. They really might want to look into this." The information on the batch/lot number for BNT162b2 will be requested and submitted if and when received.