Poison Oak Rash; This is a spontaneous report received from contactable reporter(s) (Consumer or other non HCP). The reporter is the patient.  A 69-year-old male patient received BNT162b2, BNT162b2 omi ba.4-5 (BNT162B2, BNT162B2 OMI BA.4-5), on 15Oct2022 as dose 5 (booster), single (Lot number: GH9702) at the age of 68 years intramuscular, in left arm for covid-19 immunisation. The patient's relevant medical history included: "High Cho (cholesterol)" (ongoing); "Are you allergic to any medications, food or other products: Oysters" (unspecified if ongoing), notes: Are you allergic to any medications, food or other products: Oysters; "Are you allergic to any medications, food or other products: Bee Stings" (unspecified if ongoing), notes: Are you allergic to any medications, food or other products: Bee Stings. Concomitant medication(s) included: ROSUVASTATIN CALCIUM oral taken for blood cholesterol increased, start date: 12Apr2021 (ongoing). Past drug history included: Oxycodone, reaction(s): "Are you allergic to any medications, food or other products: Oxycodone", notes: Are you allergic to any medications, food or other products: Oxycodone; Doxycycline, reaction(s): "Are you allergic to any medications, food or other products: Doxycycline", notes: Are you allergic to any medications, food or other products: Doxycycline. Vaccination history included: BNT162b2 (DOSE 1, SINGLE, Time (24hr): 08:05, Anatomical site of injection: Left arm, Route of administration: Intramuscular, Batch/Lot number: Lot # ER2613), administration date: 17Mar2021, when the patient was 67-year-old, for COVID-19 immunization, reaction(s): "Rapid covid-19 self test, date: 03Jul2022, result : positive", "Rapid covid-19 self test, date: 03Jul2022, result : positive"; BNT162b2 (DOSE 2, SINGLE, Time (24hr): 09:25, Anatomical site of injection: Left arm, Route of administration: Intramuscular, Batch/Lot number: Lot # EW0151), administration date: 06Apr2021, when the patient was 67-year-old, for COVID-19 immunization, reaction(s): "Rapid covid-19 self test, date: 03Jul2022, result : positive", "Rapid covid-19 self test, date: 03Jul2022, result : positive"; BNT162b2 (DOSE 3 (BOOSTER), SINGLE, Anatomical site of injection: Left arm, Route of administration: Intramuscular, Batch/Lot number: Lot # FF8841), administration date: 08Oct2021, when the patient was 67-year-old, for COVID-19 immunization, reaction(s): "Rapid covid-19 self test, date: 03Jul2022, result : positive", "Rapid covid-19 self test, date: 03Jul2022, result : positive"; BNT162b2 (DOSE 4 (BOOSTER), SINGLE, Anatomical site of injection: Left arm, Batch/Lot number: FM9992 (booster)), administration date: 27May2022, when the patient was 68-year-old, for Covid-19 immunization, reaction(s): "Rapid covid-19 self test, date: 03Jul2022, result : positive", "Rapid covid-19 self test, date: 03Jul2022, result : positive".  The following information was reported: DERMATITIS CONTACT (non-serious) with onset 21Apr2023, outcome "recovered" (01May2023), described as "Poison Oak Rash". Therapeutic measures were taken as a result of dermatitis contact.  Additional information: It was reported that no prior vaccinations (within 4 weeks)/any other vaccines within 4 weeks prior to the COVID-19 vaccine. Prior to vaccination, the patient was not diagnosed with COVID-19. Since the vaccination, the patient had not been tested positive for COVID-19. Exposed to irritant (poison oak) 18Apr2023, via kitten found on roadside developed rash within 3 days even after cleaning areas of contact within 3hours; began taking bendaryl at first signs of rash developing, continuing until rash began subsiding.