Covid-19 Treatment; Covid-19 Treatment; This is a spontaneous report received from contactable reporter(s) (Consumer or other non HCP) from product quality group. The reporter is the patient.  A 69-year-old male patient received BNT162b2 (BNT162B2), on 09Feb2021 as dose 1, single (Lot number: EM9809), in left arm, on 01Mar2021 as dose 2, single (Lot number: EN6203), in left arm and on 04Oct2021 as dose 3 (booster), single (Lot number: FF2587) at the age of 68 years, in left arm for covid-19 immunisation. The patient's relevant medical history included: "A fib" (unspecified if ongoing); "mild aortic stenosis" (unspecified if ongoing), notes: Other medical history: mild aortic stenosis. The patient's concomitant medications were not reported. The following information was reported: VACCINATION FAILURE (medically significant), COVID-19 (medically significant), outcome "unknown" and all described as "Covid-19 Treatment". The patient underwent the following laboratory tests and procedures: SARS-CoV-2 test: Positive, notes: COVID 19 Treatment. Therapeutic measures were taken as a result of vaccination failure, covid-19.  Additional Information: Other medical history: A fib, mild aortic stenosis. This is a notification generated from a quality tracking system.  As part of the LOE simplification process, the following Complaint Records were classified as Product Use Attributes // Lack of Effect and have been moved to Closed (No Investigation) state referencing a previously completed investigation for the same product and lot as per the 'One and Done' business process according to protocols. Refer to the below table for details: Conclusion of Previously Completed Investigation: The complaint for lack of effect of the PFIZER-BIONTECH COVID19 VACCINE lot FF2587 was investigated. The investigation included a review of manufacturing and packaging batch records, deviation investigations, and an analysis of complaint history for the reported lot. The final scope included the reported finished goods lot FF2587, fill lot FF2556, and the formulated drug product lot FE5315. A complaint sample was not returned. No related quality issues were identified during the investigation. There is no impact to product quality. No root cause or corrective/preventative actions were identified as the complaint was not confirmed. All release testing performed prior to the release of the reported batch was within specifications. Conclusion of Previously Completed Investigation: The complaint for lack of effect of the PFIZERBIONTECH COVID-19 VACCINE lot EN6203 was investigated. The investigation included a review of manufacturing and packaging batch records, deviation investigations, and an analysis of complaint history for the reported lot. and product type. The final scope included the reported finished goods lot EN6203, fill lot EN5336, and the formulated drug product lot EN5324. A complaint sample was not returned. No related quality issues were identified during the investigation. There is no impact to product quality. No root cause or corrective/preventative actions were identified as the complaint was not confirmed. All release testing performed prior to the release of the reported batch was within specifications. Conclusion of Previously Completed Investigation: The complaint for lack of effect of the PFIZERBIONTECH COVID-19 VACCINE lot EM9809 was investigated. The investigation included a review of manufacturing and packaging batch records, deviation investigations, and an analysis of complaint history for the reported lot. The final scope included the reported finished goods lot EM9809, fill lot EM9807, and the formulated drug product lot EM9805. A complaint sample was not returned, and photographs were not received. No related quality issues were identified during the investigation. There is no impact to product quality. No root cause or corrective/preventative actions were identified as the complaint was not confirmed. All release testing performed prior to the release of the reported batch was within specifications.  Follow-up (21May2022): This is a follow-up report from product quality group providing investigation results. This report included that: Updated Information Included: Product Details (Batch and lot tested and found within specifications).  No follow-up attempts are possible. No further information is expected.