I had 4 Pfizer covid vaccinations I had Covid 4 times.; I had 4 Pfizer covid vaccinations I had Covid 4 times.; This is a spontaneous report received from an Other HCP. A 74-year-old female patient received BNT162b2 omicron (kp.2) (COMIRNATY (2024-2025 FORMULA)), as dose 1, single (Batch/Lot number: unknown) for covid-19 immunisation. The patient’s relevant medical history and concomitant medications were not reported. Vaccination history included: Bnt162b2 (DOSE 1, SINGLE), for Covid-19 immunization; Bnt162b2 (DOSE 2, SINGLE), for Covid-19 immunization; Bnt162b2 (DOSE 3 (BOOSTER), SINGLE), for Covid-19 immunization. The following information was reported: DRUG INEFFECTIVE (medically significant), COVID-19 (medically significant), outcome “unknown” and all described as “I had 4 Pfizer covid vaccinations I had Covid 4 times.”. Therapeutic measures were taken as a result of drug ineffective, covid-19. Only treated with Paxlovid this last diagnosis-first time very sick with no Paxlovid Rx. The information on the batch/lot number for BNT162b2 omicron (kp.2) has been requested and will be submitted if and when received.; Sender’s Comments: Vaccine efficacy varies from person to person and is affected by many factors. The association between the event lack of effect/drug ineffective (CoVID-19) with the suspect product BNT162B2 OMICRON (KP.2) cannot be fully excluded.