Booster dose: Came down with and was diagnosed with Covid, 25Nov2021; Booster dose: Came down with and was diagnosed with Covid, 25Nov2021; This is a spontaneous report received from contactable reporter (Consumer or other non HCP) from product quality group. The reporter is the patient.  A 73-year-old female patient received bnt162b2 (BNT162B2), administration date 05Feb2021 (morning or afternoon) (Batch/Lot number: unknown) as dose 1, single, administration date 07Mar2021 (toward dinner time, hard to get appointment originally) (Batch/Lot number: unknown) as dose 2, single and administered in arm left, administration date 25Oct2021 (morning) (Lot number: FF2593) as dose 3 (booster), single for covid-19 immunization. Relevant medical history included: "Cholesterol" (ongoing), notes: Diagnosed with before 2007; "Hypertension", start date: 2007 (ongoing); "Coronary artery disease", start date: 2007 (ongoing), notes: Caller has 10 coronary artery stems; "Interstitial lung disease" (ongoing), notes: Diagnosed with after coronary artery disease, clarifies was diagnosed with after 2007 or after 2008.; "Autoimmune disease", start date: May2021 (ongoing). Concomitant medication(s) included: METOPROLOL SUCCINATE taken for hypertension (ongoing); ENALAPRIL taken for hypertension (ongoing); HYDROCHLOROTHIAZIDE (ongoing); REPATHA taken for blood cholesterol (ongoing); RITUXAN taken for autoimmune disorder, start date: May2021 (ongoing).  The following information was reported: DRUG INEFFECTIVE (medically significant), COVID-19 (medically significant) all with onset 25Nov2021, outcome "unknown" and all described as "Booster dose: Came down with and was diagnosed with Covid, 25Nov2021". The event "booster dose: came down with and was diagnosed with covid, 25nov2021" was evaluated at the emergency room visit. The patient underwent the following laboratory tests and procedures: computerised tomogram: (2021) nothing in the lung, notes: there was nothing in the lung and the caller's heart was not affected; (2021) heart was not effected; sars-cov-2 test: (25Nov2021) positive.  Additional information: First dose: EL3302 or EZ3302, caller is not sure if second digit is an L or a Z: Route administration: one of arms, not sure if left or right arm, second dose: EZ9264 or EL9264, caller is not sure if second digit is an L or a Z: Route administration: opposite arm from first dose, caller unsure which arm received first dose. Metoprolol succinate: Began taking standard Metoprolol before Metoprolol succinate and began Metoprolol Succinate within the last two years. Enalapril: Medicines have changed since 2000 and caller can't say when she began taking Enalapril. Hydrochlorothiazide: Indication: Water pill. Rituxan: The caller received two Rituxan treatments in the end of MAY2021, beginning of JUN2021 for autoimmune disease. A week after receiving booster dose vaccine, wasn't feeling well but wasn't sick. The caller was okay after the booster dose. The caller did not realize she was sick until the Wednesday before. At first the caller thought it was a cold but realized when cooking was happening in caller's house that she could not smell. The caller was running a low grade fever, lots of aches and pains and developed a flu type of thing. A culture was performed in the emergency room by a nurse and the culture was positive. The caller has not been around anybody who tested positive for Covid. The patient took Tylenol, 500mg. The caller usually takes Tylenol on a regular basis and the caller reports takin Tylenol before receiving Pfizer Covid Vaccines and after receiving the Pfizer Covid Vaccines.  The lot number for bnt162b2 was not provided and will be requested during follow up.