Covid 19 positive; Covid 19 positive; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP) from medical information team. The reporter is the patient.  A 65-year-old male patient received BNT162b2, BNT162b2 omi ba.4-5 (BNT162B2, BNT162B2 OMI BA.4-5), in Apr2021 as dose 1, single (Batch/Lot number: unknown), in Jul2021 as dose 2, single (Batch/Lot number: unknown), in 2021 as dose 3 (booster), single (Batch/Lot number: unknown) and on 15Sep2022 as dose 4 (booster), single (Lot number: GH9072) at the age of 65 years, in left arm for covid-19 immunisation. The patient's relevant medical history included: "Asthma" (ongoing), notes: Asthma, Caller states that he has had this condition his entire life.  States it is well controlled with Dulera.; "Bell's palsy" (unspecified if ongoing), notes: have a history of Bell's palsy 10 years ago; "Blood pressure high" (unspecified if ongoing). Concomitant medication(s) included: DULERA taken for asthma (ongoing). The following information was reported: DRUG INEFFECTIVE (medically significant), COVID-19 (medically significant) all with onset 16Sep2022, outcome "unknown" and all described as "Covid 19 positive". The event "covid 19 positive" required physician office visit. The patient underwent the following laboratory tests and procedures: Blood pressure measurement: (unspecified date) 125/77, notes: States his blood pressure is well controlled at about 125/77; Chest X-ray: (17Sep2022) Unknown results, notes: Unit: Not Provided; Blood work: (17Sep2022) Unknown results; Oxygen saturation: (18Sep2022) 98 %, notes: Unit: Not Provided; SARS-CoV-2 test: (16Sep2022) Positive, notes: Unit: Not Provided; Weight: (unspecified date) 145-149 lbs. Therapeutic measures were taken as a result of drug ineffective, covid-19. Per clinical course: Patient stated that he doesn't have dates or lot numbers for his previous doses of Covid Vaccines.  Patient verified that they were all Pfizer Covid Vaccines.  Stated he received all three of them last year.  He got the first dose around Apr2021, the second around Jul2021, and his first booster dose in Nov or Dec2021.  Patient stated that he knows he received the first booster when they first came out, he took it very early. Patient stated that when he received his most recent dose of Covid Vaccine on 15Sep2022 it had been 6-8 months since his previous booster, caller states that the first booster must have expired in his immune system and that's how he contracted Covid 19. Patient has not started the medication Paxlovid yet at this time. Investigations: Patient verified that the Emergency Care Center he was seen at was an Urgent Care, not an Emergency Room.  Patient stated that when he went to the Urgent Care on Saturday, 17Sep2022 they did a chest x-ray to ensure his chest was clear and blood work to make sure his kidneys were okay prior to prescribing him Paxlovid. Patient stated that he knows he received the first booster when they first came out, he took it very early. Patient stated that he received Pfizer covid-19 bivalent booster on Thursday (15Sep) and on Friday he got tested positive with covid and on Saturday they gave him Paxlovid. Patient wanted to know if it's okay to take Paxlovid if he just recently received the bivalent booster dose, before he starts the Paxlovid treatment. Patient mentioned that after he took the Omicron vaccine he is feeling sick and tested positive with Covid-19. He mentioned that he was prescribed by this Doctor the Paxlovid. He wanted to know if it is okay to take Paxlovid after taking the booster shot.  No follow-up attempts are possible; information about lot/batch number cannot be obtained. No further information is expected.; Sender's Comments: Linked Report(s) : US-PFIZER INC-202201173723 Same patient/ product, different dose/event;