got Covid in Apr2022; got Covid in Apr2022; Interchange of vaccine products; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP). The reporter is the patient.  A 73-year-old female patient received BNT162b2 (BNT162B2), on 04Nov2021 as dose 3 (booster), single (Batch/Lot number: unknown) at the age of 72 years, in left arm for covid-19 immunisation; elasomeran (MODERNA COVID-19 VACCINE), on 07Feb2021 as dose 1, single (Batch/Lot number: unknown), in left arm and on 07Mar2021 as dose 2, single (Batch/Lot number: unknown), in left arm for covid-19 immunisation. The patient's relevant medical history included: "Bradycardia" (unspecified if ongoing), notes: Bardycardia is slow heart rate; "occasional palpitations" (unspecified if ongoing); "Little murmur" (unspecified if ongoing), notes: 30 years ago she was diagnosed with a little murmur; "mitral valve prolapse with regurgitation" (unspecified if ongoing), notes: 30 years ago she was diagnosed with mitral valve prolapse with regurgitation.; "mitral valve prolapse with regurgitation" (unspecified if ongoing), notes: 30 years ago she was diagnosed with mitral valve prolapse with regurgitation. Concomitant medication(s) included: ASPIRIN 81. The following information was reported: INTERCHANGE OF VACCINE PRODUCTS (medically significant) with onset 04Nov2021, outcome "unknown"; DRUG INEFFECTIVE (medically significant), COVID-19 (medically significant) all with onset Apr2022, outcome "unknown" and all described as "got Covid in Apr2022". The patient underwent the following laboratory tests and procedures: SARS-CoV-2 test: (Apr2022) Positive, notes: she got Covid in Apr2022. Therapeutic measures were taken as a result of drug ineffective, covid-19. Clinical course included, other conditions noted as yes. Family medical history relevant to Adverse events (AEs) was noted as not the she could imagine. No one had gout or diabetes or neuropathy, none of that. Prior vaccinations (within 4 weeks) was noted as none. She was careful to not do any other vaccines and she chose to do one at the time. They had wanted to do a flu vaccine. She had not had one vaccine since then. She was thinking of getting flu vaccine but had not. All her shots were given in upper left arm. Lot number for first dose (07Feb2021) of covid-19 was reported 039KZOA or 039K2OA and lot number for second dose (07Mar2021) of covid-19 was reported as 00ZA21A or 002A21A. Both of those were given at public vaccine site. Lot number for third dose (04Nov2021) was reported as H13527 but patient was not sure about the first two, but could clearly see the 3527. Concomitant medications included only thing she was taking regularly was 81mg Aspirin. She was not sure if she was taking the Aspirin when it was started, but she was taking that at night at time of this report (now). After first booster on 04Nov2021, she got Covid in Apr2022. It was very mild case of Covid and she took Paxlovid. Then the new booster came out and she went right to that one. It was reported that she had one booster and after booster she was planning to get it at the appropriate time but then got Covid in Apr2022.  The lot number for BNT162b2 was not provided and will be requested during follow up.