she tested positive for COVID on 06Feb2023; she tested positive for COVID on 06Feb2023; This is a spontaneous report received from contactable reporter(s) (Consumer or other non HCP) from medical information team. The reporter is the patient.  A 66-year-old female patient received BNT162b2 (BNT162B2), on 13Mar2021 as dose 1, single (Batch/Lot number: unknown) and on 10Apr2021 as dose 2, single (Batch/Lot number: unknown) at the age of 65 years for covid-19 immunisation; elasomeran (MODERNA COVID-19 VACCINE), on 26Oct2021 as dose 3 (booster), single (Batch/Lot number: unknown) and on 21Apr2022 as dose 4 (booster), single (Batch/Lot number: unknown) for covid-19 immunisation. The patient's relevant medical history included: "Hip replacement", start date: 2017 (unspecified if ongoing); "Regular arthritis" (unspecified if ongoing); "Caller states that she does not smoke with them, nor does she drink or anything" (unspecified if ongoing); "Caller states that she does not smoke with them, nor does she drink or anything" (unspecified if ongoing). There were no concomitant medications. The following information was reported: DRUG INEFFECTIVE (medically significant), COVID-19 (medically significant) all with onset 06Feb2023, outcome "unknown" and all described as "she tested positive for COVID on 06Feb2023". The patient underwent the following laboratory tests and procedures: SARS-CoV-2 test: (06Feb2023) Positive. Therapeutic measures were taken as a result of drug ineffective, covid-19.  Clinical course: It was reported that on Monday morning, 06Feb2023, her husbands friend called and said that he had tested positive. Caller stated that is when she took a test, and it was positive. She also took another test on Tuesday prior to her first dose of Paxlovid, and it was positive also. She received Paxlovid from 07Feb2023 (Stop: Ongoing). Caller said, her husband was always coming up negative so she was wondering if the booster that he got, the Pfizer booster, was it that powerful? He was sitting next to somebody everyday and smoke marijuana with each other passing it back and forth and then for him not to get it, was the booster that good?. She further mentioned her husband got that new booster on 09Jan, and he was literally sitting next to the person that was COVID positive everyday, and they smoke marijuana using the same joint, 3x a day everyday. The other guy had covid, but he always tested negative Caller asked if we had statistics similar to the situation that his husband experienced. Caller stated that also, one of the grandchildren spent every day with her. She was concerned about rebound. Stated that with all this confusing information why they were sending so few tests when you will have to test again and again. Caller stated that she really had no symptoms at all. Caller stated that she does not smoke with them, nor does she drink or anything. Caller stated that she has no other medical conditions relevant to report. Then she stated that she has no high blood pressure, she was not obese, she just had regular arthritis, and she had a hip replacement in 2017. Caller stated that she normally worked out 15 minutes in the gym and swims every day, she cannot do those things currently since she cannot be around people.  The information on the batch/lot number for BNT162b2 has been requested and will be submitted if and when received.; Sender's Comments: Drug ineffective depends on many factors including pharmacokinetics, severity of disease and patient general health condition. However on conservative basis, the possible causality cannot be excluded.,Linked Report(s) : US-PFIZER INC-202300061111 same patient/SD, different dose/AE;