A positive antigen test result confirmed the infection; A positive antigen test result confirmed the infection; This is a spontaneous report received from contactable reporter(s) (Consumer or other non HCP). The reporter is the patient.  A 50 year-old male patient received bnt162b2 (BNT162B2), administration date 11Feb2021 (Lot number: EL3248) at the age of 50 years as dose 2, single and administration date 19Jan2021 (Lot number: EL3248) as dose 1, single for covid-19 immunisation. The patient's relevant medical history and concomitant medications were not reported. The following information was reported: VACCINATION FAILURE (medically significant), COVID-19 (medically significant), outcome "unknown" and all described as "A positive antigen test result confirmed the infection". The patient underwent the following laboratory tests and procedures: sars-cov-2 test: (unspecified date) negative, notes: This prompted (name-withheld) to have all individuals who had any contact with the team member to take a test. The test on Friday morning was negative; (unspecified date) positive, notes: After going to bed on Saturday evening, I awoke with a slightly sore throat, by Sunday morning I had a headache and sore throat. I took Antigen Self-Test on Sunday morning around 0700 and this test came back with a positive result; (unspecified date) positive, notes: To rule out a false positive I performed a second self-test that also came back positive; (04Dec2021) not detected, notes: COVID-19 Combo Kit Test Method: RT-PCR, Sample Type: Nasal Mid-turbinate; (04Dec2021) negative, notes: Prior to leaving, a PCR test was taken on Saturday 04Dec2021. The result was negative. See attached results; (09Dec2021) negative, notes: (name-withheld) also requires 2 tests per week, so another self-test was taken on Thursday 09Dec2021. This test was also negative; (10Dec2021) positive, notes: On Friday morning, 10Dec2021, a member of the team reported that he tested positive and had symptoms; (11Dec2021) negative, notes: On 11Dec2021, Saturday afternoon, I had a rapid Antigen test taken at a test center to comply with the local requirement of a negative test result within 4-7 days after arriving in the country. This test was negative. See attached test result; (12Dec2021) not detected (negative), notes: Type: Rapid immunoassay, at 14:46; (12Dec2021) positive, notes: On 12Dec2021, a positive antigen test result confirmed the infection; (13Dec2021) awaiting the results, notes: I am awaiting the results of a PCR test that was taken on Monday, 13Dec2021, at a Doctors office; (07Dec2021) negative, notes: so I administered a nasal swab Antigen self-test on Tuesday 07Dec2021. This test was negative. It was reported that Patient traveled on Sunday 05Dec2021. Patient arrived in (city-withheld) around 1700 hours on Monday 06Dec2021. Prior to leaving, a PCR test was taken on Saturday 04Dec2021. The result was negative. See attached results. Once arriving, he traveled to the (name-withheld) ((Name)/Withheld) to conduct equipment testing at (name-withheld) requires all visitors to be tested on the first day on site, so he administered a nasal swab Antigen self-test on Tuesday 07Dec2021. This test was negative. (name-withheld) also requires 2 tests per week, so another self-test was taken on Thursday 09Dec2021. This test was also negative. On Friday morning, 10Dec2021, a member of the (name-withheld) team reported that he tested positive and had symptoms. This prompted (name-withheld) to have all individuals who had any contact with the team member to take a test. The test on Friday morning was negative. He had extremely limited contact with the individual who tested positive during my time at (name-withheld). On 11Dec2021, Saturday afternoon, He had a rapid Antigen test taken at a test center in (Name) to comply with the local requirement of a negative test result within 4-7 days after arriving in the country. This test was negative. See attached test result. After going to bed on Saturday evening, he awoke with a slightly sore throat, by Sunday morning he had a headache and sore throat. I took Antigen Self-Test on Sunday morning around 0700 and this test came back with a positive result. To rule out a false positive I performed a second self-test that also came back positive. On 12Dec2021, a positive antigen test result confirmed the infection. His symptoms, sore throat, headache started late on the night of 11Dec2021 into the morning of 12Dec2021. His symptoms have progressed to fever (I do not have a thermometer to know my exact temperature) based on sweating, along with body aches and fatigue. Very random coughing/sneezing. Patient awaiting the results of a PCR test that was taken on Monday, 13Dec2021, at a Doctors office.  Follow-up attempts have been completed. Batch/lot number not available for BNT162B2. No further information is expected.; Sender's Comments: Linked Report(s) : US-PFIZER INC-202101781099 same reporter/patient/product, different dose/event.