contracting covid-19 after receiving 3 shots of the Pfizer BionTech Covid-19 Vaccine; contracting covid-19 after receiving 3 shots of the Pfizer BionTech Covid-19 Vaccine; symptoms similar to what she experienced from her SLE lupus which is excruciating join pain; covid brain fog; sense of taste was a bit off; chills run across her shoulder; 100 degrees temperature; dry cough; 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 female patient received BNT162b2 (BNT162B2), in May2021 as dose 1, single (Batch/Lot number: unknown), in Jun2021 as dose 2, single (Batch/Lot number: unknown) and in Dec2021 as dose 3 (booster), single (Batch/Lot number: unknown) for covid-19 immunisation. The patient's relevant medical history included: "Multiple chemical sensitivity" (unspecified if ongoing); "Systemic lupus erythematosis" (unspecified if ongoing). The patient's concomitant medications were not reported. The following information was reported: DRUG INEFFECTIVE (medically significant), COVID-19 (medically significant), outcome "unknown" and all described as "contracting covid-19 after receiving 3 shots of the Pfizer BionTech Covid-19 Vaccine"; ARTHRALGIA (non-serious), outcome "unknown", described as "symptoms similar to what she experienced from her SLE lupus which is excruciating join pain"; FEELING ABNORMAL (non-serious), outcome "unknown", described as "covid brain fog"; TASTE DISORDER (non-serious), outcome "unknown", described as "sense of taste was a bit off"; CHILLS (non-serious), outcome "unknown", described as "chills run across her shoulder"; BODY TEMPERATURE INCREASED (non-serious), outcome "unknown", described as "100 degrees temperature"; COUGH (non-serious), outcome "unknown", described as "dry cough". Therapeutic measures were taken as a result of vaccination failure, covid-19, arthralgia, feeling abnormal, taste disorder, chills, body temperature increased, cough.  Clinical details: It was reported that the patient had a rare Autoimmune Disease called Multiple Chemical Sensitivity and cannot currently take the available vaccines that are offered. She was tolerating the Pfizer Covid vaccines and boosters well by taking a compounded version Rx of Levoceterizine 5mg orally 1 hour before injections. Therefore, she needed to stay with Mrna vaccines to keep from having severe allergic reactions." Also added that she has LPE Lupus (Systemic Lupus Erythematosus (SLE)). She also reported contracting covid-19 after receiving 3 shots of the Pfizer BionTech Covid-19 Vaccine (first shot on May, second shot on June third shot on December, no year provided). She was supposed to get the 2nd booster in May2022 but due to the shortage she did not receive that shot yet. Caller mentioned that she contracted the virus when her husband came home from his dentist, she contracted the virus on 04Aug but agent did not state the year, 3 days after her husband tested positive. Among the symptoms she experienced were covid brain fog, sense of taste was a bit off, chills run across her shoulder, 100 degrees temperature, dry cough, and symptoms similar to what she experienced from her SLE lupus which is excruciating join pain. Also mentioned that most of the symptoms were gone after she finished her Paxlovid treatment and commented that it should be given for 7 days instead of 5 days for immunocompromised patients.   No follow-up attempts are possible; information about lot/batch number cannot be obtained. No further information is expected.