Received Nov 7, 2025
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| COVID19 | COVID19 (COVID19 (PFIZER-BIONTECH)) | PFIZER\BIONTECH | 2 | — | — |
i was diagnosed with breast cancer 4 months after i took the Pfizer vaccines.; neuropathy; bone issues; aches; loss of hair; loss of hair, weight; The initial case was missing the following minimum criteria: Unspecified Product. Upon receipt of follow-up information on 03Nov2025, this case now contains all required information to be considered valid. This is a spontaneous report received from a Consumer or other non HCP, Program ID. A 55-year-old female patient received BNT162b2 (BNT162B2), in May2021 as dose 2, single (Batch/Lot number: unknown) for covid-19 immunisation. The patient's relevant medical history was not reported. There were no concomitant medications. Vaccination history included: Bnt162b2 (DOSE 1), for Covid-19 immunization. The following information was reported: BREAST CANCER (hospitalization, medically significant) with onset Oct2021, outcome "recovered with sequelae", described as "i was diagnosed with breast cancer 4 months after i took the Pfizer vaccines."; NEUROPATHY PERIPHERAL (medically significant), outcome "unknown", described as "neuropathy"; BONE DISORDER (non-serious), outcome "unknown", described as "bone issues"; PAIN (non-serious), outcome "unknown", described as "aches"; ALOPECIA (non-serious), outcome "unknown", described as "loss of hair"; WEIGHT DECREASED (non-serious), outcome "unknown", described as "loss of hair, weight". The patient was hospitalized for breast cancer (start date: 30Nov2021). The patient underwent the following laboratory tests and procedures: Weight: Weight loss. Therapeutic measures were taken as a result of breast cancer. Treatment included chemo from 30Nov2021 to 20Aug2023, radiation and excision (the patient lost both breasts). The patient took anastrozole for breast cancer. The patient was diagnosed with breast cancer 4 months after she took the Pfizer vaccines. She had cancer side effects, bones issues, neuropathy and much more. She was suffering with neuropathy, daily aches (a great deal of pain), bone issues, loss of hair, weight which she was dealing daily. When she could not eat because of chemo, she had to keep trying different things: vitamins, foods, drinks, etc.Her mental health and her daughters had not been the same. The information on the batch/lot number for BNT162b2 will be requested and submitted if and when received.; Sender's Comments: Linked Report(s) : US-PFIZER INC-202500217085 Same reporter, drug and similar event, different patient.;
Test Name: loss of hair, weight; Result Unstructured Data: Test Result:Weight loss