Headache; Chills; Low grade fever; arm hurt a little but nothing like it did the next day; arm is still swollen, red and hot; arm is still swollen, red and hot; but his face was warm and injections site swelling; arm is still swollen, red and hot; but his face was warm and injections site swelling; but his face was warm and injections site swelling and redness; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP). The reporter is the patient.  A 78-year-old male patient received BNT162b2 (COMIRNATY), on 06Apr2022 as dose 4 (booster), single (Batch/Lot number: unknown) at the age of 78 years, in right arm for covid-19 immunisation. The patient's relevant medical history included: "Osteoarthritis" (unspecified if ongoing). Concomitant medication(s) included: IBUPROFEN taken for osteoarthritis; LISINOPRIL; FLOMAX RELIEF. Vaccination history included: BNT162b2 (Dose 1, single, lot EL9261), administration date: 29Jan2021, when the patient was 77-year-old, for Covid-19 Immunization; BNT162b2 (Dose 2, single, lot EL9269), administration date: 23Feb2021, when the patient was 77-year-old, for Covid-19 Immunization; Bnt162b2 (Dose:3 (Booster), administration date: Sep2021, when the patient was 78 years old, for Covid-19 Immunization; Flu shot, administration date: Sep2021, when the patient was 78 years old, for Immunization.  The following information was reported: CHILLS (non-serious) with onset 07Apr2022, outcome "recovered" (Apr2022); HEADACHE (non-serious) with onset 07Apr2022, outcome "recovered" (Apr2022); PYREXIA (non-serious) with onset 07Apr2022, outcome "recovered" (Apr2022), described as "Low grade fever"; PAIN IN EXTREMITY (non-serious) with onset 07Apr2022, outcome "unknown", described as "arm hurt a little but nothing like it did the next day"; ERYTHEMA (non-serious), PERIPHERAL SWELLING (non-serious), FEELING HOT (non-serious) all with onset 07Apr2022, outcome "not recovered" and all described as "arm is still swollen, red and hot"; VACCINATION SITE WARMTH (non-serious) with onset 07Apr2022, outcome "unknown", described as "but his face was warm and injections site swelling"; VACCINATION SITE SWELLING (non-serious) with onset 07Apr2022, outcome "unknown", described as "but his face was warm and injections site swelling "; VACCINATION SITE ERYTHEMA (non-serious) with onset 07Apr2022, outcome "unknown", described as "but his face was warm and injections site swelling and redness". Therapeutic measures were not taken as a result of pyrexia.  Additional information: He had the shot this past Wednesday and experienced several effects. States he had some headache, chills and a little it wasn't a fever but his face was warm and injections site swelling and redness. States all of them have passed but he still has the injection site swelling and redness. He is wondering how long does that last. He sees 12YUP and expiration 31May. When providing the year for the expiry, he states, two thousand, something, and the rest of the stamp is not there. he got it in his right upper arm around 9am. he was fine Thursday morning and getting toward afternoon he started getting the headache, a low grade fever and some chills. States his arm hurt a little but nothing like it did the next day. and his arm is still swollen, red and hot. States he iced it and it's getting a little better. it's not as swollen but is still red and hot. Time the Vaccination Was Given around 9am. The patient did not receive any other vaccines within 4 weeks prior to the COVID vaccine.   The information on the batch/lot number for BNT162b2 has been requested and will be submitted if and when received.