after receiving the fourth dose, complained "pain in her chest and heart, she said that it hurts"; after receiving the fourth dose, complained "pain in her chest and heart, she said that it hurts"; clogged nose; she also experienced chills ("flashing, hot and cold"); she also experienced chills ("flashing, hot and cold"); she also experienced chills ("flashing, hot and cold"); muscle pain; little fever; headache; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP) from medical information team. The reporter is the parent.  A 15-year-old female patient received BNT162b2, BNT162b2 omi ba.4-5 (BNT162B2, BNT162B2 OMI BA.4-5), on 24Jan2023 as dose 4 (booster), single (Lot number: GK1337) at the age of 15 years for covid-19 immunisation. The patient's relevant medical history and concomitant medications were not reported. Vaccination history included: BNT162b2 (Dose: 1, Lot#EW0164), administration date: 19May2021, when the patient was 14-year-old, for Covid-19 Immunization, reaction(s): "headache", "Chills"; BNT162b2 (Dose: 2, Lot#EW0172), administration date: 09Jun2021, when the patient was 14-year-old, for Covid-19 immunization, reaction(s): "headache"; BNT162b2 (Dose: 2, Lot#EW0172), administration date: 09Jun2021, when the patient was 14-year-old, for Covid-19 Immunization, reaction(s): "Chills"; BNT162b2 (Dose: 3, Lot#FH8027), administration date: 26Jan2022, when the patient was 14-year-old, for Covid-19 Immunization, reaction(s): "headache", "Chills".  The following information was reported: ANGINA PECTORIS (medically significant), CHEST PAIN (non-serious), outcome "unknown" and all described as "after receiving the fourth dose, complained "pain in her chest and heart, she said that it hurts""; NASAL CONGESTION (non-serious), outcome "unknown", described as "clogged nose"; CHILLS (non-serious), HOT FLUSH (non-serious), FEELING COLD (non-serious), outcome "unknown" and all described as "she also experienced chills ("flashing, hot and cold")"; MYALGIA (non-serious), outcome "unknown", described as "muscle pain"; PYREXIA (non-serious), outcome "unknown", described as "little fever"; HEADACHE (non-serious), outcome "unknown". The patient underwent the following laboratory tests and procedures: Weight: about 110, notes: her pounds it is about 110 pounds.  Clinical course: Caller stated that after the first three doses everything was ok, aside from headache and chills. While for after receiving the fourth dose (Pfizer bivalent covid-19 booster), yesterday, her daughter complained "pain in her chest and heart, she said that it hurts", she also experienced chills ("flashing, hot and cold"), muscle pain, little fever, headache, clogged nose and was unable to go to school. Caller also said that this was not happened with Pfizer before, they never had a covid and her daughter never had a heart problem. Caller asked if these were reported before. Caller also provided her husband's contact information, just in case we need to contact them since she would be going to a country. Reporter stated, "I talk about my teenage daughter. My daughter and I, we went to (name withheld), we got the immunization for COVID, we went to the (Facility name) in (City name), my daughter is only 15, she had this Pfizer (vaccine) in 19May2021, she had another dose in 09Jun2021 and she had another in and I decide to give her the Pfizer (vaccine) 24Jan2023, the first three Pfizer (vaccine) she didn't had any side effect but I don't know why the Nurse saw what she had, she gave her the Bivalent because I told her, my daughter, she never had any side effect but now my daughter, since she got this she told her heart is hurting. Her name is (name withheld), she is only 15 years old." When paraphrased the concern, reporter stated, "She never had pain in her chest or in her heart, the first dose, the second dose and the other 19May2021, 09Jun2021 and 26Jan2022 Pfizer, everything was okay but this Pfizer Bivalent 24Jan2023 two days ago, she got, she didn't go to school yesterday because she was complaining about her heart and now it's hurting and now they told, this language was not my first language I didn't read everything because I was not complaining they told she had first second and the third dose which is Pfizer, I was okay but I thought it was the same immunization and the Nurse asked me and I said no she never had any problems with the first second the third but because I need to go to a country with my kids in this Summer I decided to give her but I didn't know it will be a different Pfizer, now I don't want my daughter die." When probed for the concern, Reporter stated, "I got this same Pfizer and mine was Moderna, Moderna Pfizer and now just Pfizer they send it to my daughter, I don't feel anything, I am okay, I took that same day, 24Jan2023, I feel okay but my daughter, she doesn't." When again probed for the concern, Reporter stated, "I want to know what is this, why she has a lot of pain in her heart." Expiration Date: Reporter stated, "I don't have the expiration date she didn't put the expiration date, they only put a date, the COVID vaccination card Pfizer Bivalent GK1337." Treatment: Reporter stated, "no, the Nurse gave, the person gave her the immunization she gave me a paper and my daughter she had, she used muscle pain, little fever, headache and everything the only thing I did was, call the school tell what happened and she didn't go to the school yesterday but now, but yesterday she told me she has pain in her chest, she told me it's in her heart also and now I am calling you, that's it." Further probing could not be done as reporter was unwilling to proceed with the report. Hence, limited information was available over the call.; Sender's Comments: Linked Report(s) : US-PFIZER INC-202300039503 same product, patient, different AEs, different dose;