muscle soreness at the injection site area / left arm hurt a lot; I can't barely lift my arm; little sore, nothing terrible / a little achy everywhere else; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP) from medical information team. The reporter is the patient.  A female patient received BNT162b2, BNT162b2 omi ba.4-5 (BNT162B2, BNT162B2 OMI BA.4-5), on 01Oct2022 as dose 5 (booster), single (Batch/Lot number: unknown), in left arm for covid-19 immunisation. The patient's relevant medical history and concomitant medications were not reported. Vaccination history included: Bnt162b2 (Dose 1), for COVID-19 Immunization, reaction(s): "For the first two she felt a little tired", "she usually have body and muscle ache after getting the vaccine", "she usually have body and muscle ache after getting the vaccine"; Bnt162b2 (Dose 2), for COVID-19 Immunization, reaction(s): "For the first two she felt a little tired", "she usually have body and muscle ache after getting the vaccine", "she usually have body and muscle ache after getting the vaccine"; Bnt162b2 (Dose 3), for COVID-19 Immunization, reaction(s): "she usually have body and muscle ache after getting the vaccine / For the boosters she had body aches", "she usually have body and muscle ache after getting the vaccine / For the boosters she had body aches"; Bnt162b2 (Dose 4), for COVID-19 Immunization, reaction(s): "she usually have body and muscle ache after getting the vaccine / For the boosters she had body aches", "she usually have body and muscle ache after getting the vaccine / For the boosters she had body ache". The following information was reported: PAIN (non-serious) with onset 01Oct2022, outcome "unknown", described as "little sore, nothing terrible / a little achy everywhere else"; JOINT RANGE OF MOTION DECREASED (non-serious) with onset 03Oct2022, outcome "unknown", described as "I can't barely lift my arm"; VACCINATION SITE PAIN (non-serious) with onset 03Oct2022, outcome "unknown", described as "muscle soreness at the injection site area / left arm hurt a lot". Therapeutic measures were taken as a result of pain, vaccination site pain, joint range of motion decreased. Additional information: The patient received her Pfizer Covid vaccine "last Saturday" where she felt "little sore, nothing terrible" and "felt no pain the next day, Sunday". She added that she actually felt a little sore yesterday but she was experiencing muscle soreness at the injection site area this time, 03Oct2022.  Her arm hurt a lot today, 03Oct2022, and expressed "I can't barely lift my arm and I never had that muscle ache before." Caller also mentioned that she usually has body and muscle ache after getting the vaccine, but this time was different. Caller wanted to know if it was normal for the arm to hurt a lot after skipping a day. Caller also mentioned that she took Tylenol, but the pain was still there. She was also asking for recommendations whether to put heat or cold compress to the area of muscle pain. She also wanted to know information for bivalent about how long muscle pain was experienced by the subjects during clinical trial. Clinical course was also reported as follows: Patient had the Pfizer vaccine, clarified to Pfizer COVID-19 vaccine, third booster, her fifth one. For the first two she felt a little tired. For the boosters she had body aches, but she never had arm pain like after this dose. She doesn't have high blood pressure or heart issues or anything. She got the vaccine on Saturday, and her arm was a little sore normally, and she was good yesterday, just a little achy everywhere else. Today, 03Oct2022, when she woke up her left arm hurt a lot, so she wanted to know if this was normal. She got up and cooked breakfast and everything and has an aching upper arm around the injection site, the muscle. She was asking if it was normal for it to skip a day and then have the arm pain. She said she was really kind of worried, though she doesn't think it was a heart attack, she can breathe and everything, she was not feeling strange. She took a couple of Tylenol.  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.