Bell's palsy; right sided facial paralysis; right sided facial weakness; couldn't use a straw; had slurred speech; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non-HCP). The reporter is the patient.  A 40-year-old male patient received bnt162b2 (BNT162B2), administered in arm left, administration date 25Jan2022 (Lot number: FJ369) at the age of 40 years as dose 3 (booster), single for covid-19 immunisation. Relevant medical history included: "Stomach flu", start date: 14Jan2022 (unspecified if ongoing), notes: Verbatim: Stomach flu, Caller states he had to have had it within 2 weeks prior to having the booster. He then states that he has the stomach flu 14Jan2022. The patient's concomitant medications were not reported. Vaccination history included: Bnt162b2 (DOSE 1, SINGLE, LOT: EK9231, NDC, EXP: Unknown, Route, Anatomical Location: left shoulder), administration date: 08Jan2021, when the patient was 39 years old, for Covid-19 Immunization; Bnt162b2 (DOSE 2, SINGLE, LOT: LE9264 , NDC, EXP: Unknown, Route, Anatomical Location: left shoulder), administration date: 29Jan2021, when the patient was 39 years old, for Covid-19 Immunization.  The following information was reported: BELL'S PALSY (medically significant) with onset 05Feb2022, outcome "not recovered", described as "Bell's palsy"; FACIAL PARALYSIS (medically significant) with onset 05Feb2022, outcome "not recovered", described as "right sided facial paralysis"; FACIAL PARESIS (non-serious) with onset 05Feb2022, outcome "not recovered", described as "right sided facial weakness"; LOSS OF PERSONAL INDEPENDENCE IN DAILY ACTIVITIES (non-serious) with onset 05Feb2022, outcome "not recovered", described as "couldn't use a straw"; DYSARTHRIA (non-serious) with onset 05Feb2022, outcome "not recovered", described as "had slurred speech". The events "bell's palsy", "right sided facial paralysis", "right sided facial weakness", "couldn't use a straw" and "had slurred speech" were evaluated at the physician office visit. Therapeutic measures were taken as a result of bell's palsy, facial paralysis, facial paresis, loss of personal independence in daily activities, dysarthria.  Additional Information: Patient stated that, he had called regarding the Covid vaccine and just needs to report an adverse reaction. He stated that he took the vaccine on the 25th and approximately 9 to 10 days later, he developed Bell's Palsy and right sided facial weakness. It is currently 4 weeks out and he still has that. Prior to that, he never had Bell's Palsy. He was a healthy 40-year-old. Patient stated that, he had to have had it within 2 weeks prior to having the booster. He then states that he has the stomach flu 14Jan2022. He stated that he honestly does not have the time. He stated that he had never been sick and never had anything like this and has been extremely healthy. He stated that 05Feb2022 is when the symptoms started. He states that it started with the right sided facial paralysis and started progressing on 06Feb2022. He stated that at fist, he was in denial and by the time he realized what happened, that he couldn't use a straw and had slurred speech. He states it was 05Feb2022 when everything started. Treatment: He was put on steroids, Prednisone and on antivirals. He provided the name of the anti-viral as Acyclovir. He later provided the name Valtrex, stating he was taking the brand name, Valtrex. Bell's palsy, right sided facial weakness, right sided facial paralysis, couldn't use a straw, had slurred speech. Patient had no prior vaccinations within 4 weeks.  No follow-up attempts are possible. No further information is expected.