arm and underarm being swollen/ underarm is swollen severely; arm and underarm being swollen; muscle and chest hurting; muscle and chest hurting; injection site redness; arm is swollen up by injection site; This is a spontaneous report received from contactable reporter(s) (Consumer or other non HCP) from medical information team.  An 18-year-old female patient received BNT162b2, BNT162b2 omi ba.4-5 (BNT162B2, BNT162B2 OMI BA.4-5), on 10Feb2023 as dose 5 (booster), single (Batch/Lot number: unknown) at the age of 18 years for covid-19 immunisation. The patient had no relevant medical history. There were no concomitant medications. Vaccination history included: Bnt162b2 (1st dose: Pfizer shot for Covid, Date: Unknown, does not have vaccination card at time of call. NDC number, lot number, expiration date: Unknown, does not have vaccination card at time of call.), for COVID-19 Immunization; Bnt162b2 (2nd dose: Pfizer shot for Covid, Date: Unknown, does not have vaccination card at time of call. NDC number, lot number, expiration date: Unknown, does not have vaccination card at time of call.), for COVID-19 Immunization; Bnt162b2 (3rd dose:, Pfizer shot for Covid, Date: Unknown, does not have vaccination card at time of call., NDC number, lot number, expiration date: Unknown, does not have vaccination card at time of call.), for COVID-19 Immunization; Bnt162b2 (4th dose:, Pfizer shot for Covid, 2nd booster, Date: Unknown, does not have vaccination card at time of call, thinks was in Sep2021. NDC number, lot number, expiration date: Unknown, does not have vaccination card at time of call.), administration date: Sep2021, for COVID-19 Immunization. The following information was reported: VACCINATION SITE SWELLING (non-serious) with onset 10Feb2023, outcome "not recovered", described as "arm is swollen up by injection site"; VACCINATION SITE ERYTHEMA (non-serious) with onset 10Feb2023, outcome "not recovered", described as "injection site redness"; MYALGIA (non-serious), CHEST PAIN (non-serious) all with onset 12Feb2023, outcome "unknown" and all described as "muscle and chest hurting"; SWELLING (non-serious), outcome "unknown", described as "arm and underarm being swollen/ underarm is swollen severely"; PERIPHERAL SWELLING (non-serious), outcome "unknown", described as "arm and underarm being swollen".  Additional Information: Calling about the Pfizer bivalent booster shot for Covid. Caller's 18 year old granddaughter, the patient, got 3rd booster shot injection Friday late afternoon, about 4 o'clock, and everything was fine until yesterday. Injection site has redness still, arm was swollen up by injection site, and underarm is swollen severely in caller's opinion. Patient complains about muscles in chest hurting too. Calling to see if Pfizer has any information on if these are normal or abnormal side effects. Injection site has redness started immediately after the injection. Redness was still there. Swelling under the arm and swelling on the arm started Saturday, got to the point where hurting more yesterday. Swelling under the arm and swelling on the arm started Saturday, got to the point where hurting more yesterday. For muscles in chest hurting felt the pain around chest yesterday, 12Feb2023. Patient has had 2 primaries and 3 boosters, confirmed patient has had 5 total doses. Patient's 4 prior doses were the Pfizer shot for Covid, caller unable to provide more specific details due to not having patient's shot record, vaccination card, at time of call. Declined to complete COVID vaccine supplement form, stating caller has no idea what patient was given, just requested the latest Pfizer bivalent booster shot, that's all that was requested.  The information on the batch/lot number for (BNT162B2, BNT162B2 OMI BA.4-5), has been requested and will be submitted if and when received.