chills; prolonged chest pain in the middle of her chest; could not sleep the whole night; This is a spontaneous report from a contactable consumer (patient's husband) reported for a patient (wife). A 27-years-old female patient received BNT162B2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE, Formulation: Solution for injection, Batch/Lot number: unknown, NDC and Expiration date: unknown), via an unspecified route of administration on an unspecified date in the end of May2021 around 5:00 pm (at the age of 26-years-old) as a dose 2, single for COVID-19 immunization. The family medical history relevant to AE(s) was reported as none. The patient's medical history (including any illness at time of vaccination) included ongoing genital herpes, stated that, the reporter did not know when she was diagnosed with genital herpes but stated, it was many years ago and was before the Pfizer Covid vaccine, caesarean section, she had their 2nd son and had C-sections and chills 2 years ago. The patient's concomitant medications were not reported. Historical vaccine included BNT162B2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE, Formulation: Solution for injection, Batch/Lot number: unknown, NDC and Expiration date: unknown), via an unspecified route of administration on an unspecified date in the start of May2021 (at the age of 26-years-old) as a dose 1, single for COVID-19 immunization and experienced loss of consciousness. It was reported that, the history of all previous immunization with the Pfizer vaccine considered as suspect (or patient age at first and subsequent immunizations if dates of birth or immunizations are not available): Caller stated that, the patient was 27-year-old but has no information on the dates of her 1st and 2nd dose of the vaccine. Additional vaccines administered on same date of the Pfizer suspect was reported as none. Prior vaccinations (within 4 weeks) were reported as none. The reporter stated that, he was called about the Pfizer Vaccine, on behalf of his wife, who was the patient and she had a side effect that was prolonged until now and had her last shot at the end of May and then for a 14 day period was done with that and clarified, on an unspecified date in 2021, her side effect began with chills and other normal things and she has prolonged chest pain in the middle of her chest not her breast but her chest and has pressure if she raises or voice or things like that and if she raises her voice she hurts herself and chest and if she was catching her breath and this comes and goes and she still has that problem. The caller stated that, the patient did not had a primary care doctor but sees a ob-gyn and he has no further information to provide for the HCP. Stated that, the HCP listed was the one who takes care of her since the birth of their child. Stated that, her 1st dose of the Pfizer Covid vaccine was administered to her at the beginning of May2021 on an unspecified date and the 2nd dose was administered to her at the end of May2021 on an unspecified date. Stated that, one dose was given in the right shoulder and one in the left shoulder. Stated that, AEs following prior vaccinations, two days ago, on an unspecified date in 2021, the patient had chest pain and could not sleep the whole night and would say she had chills at night and stated that, the patient also had chills when she had their 2nd son and had C-sections with both children and after a shot they gave her at that time, she had a reaction to it and she shakes a lot and the HCP gave her a shot at that time and her spinal cord always chills at night and all of this happened 2 years ago including the births of their children and it lasted 6 months later and would come and go and after the Pfizer Covid shot this was recurring again regarding the chills. Stated that, he had no name of the shot she was given 2 years ago and had no lot, expiry date or NDC to provide. Stated that, he did not take her to the healthcare professional or emergency room but almost did because after the 1st dose of the Pfizer Covid vaccine, the patient on the like 3rd day was knocked out a few seconds and almost brought her to the emergency room but the patient stated that, because of covid she was scared to go so it worked out fine. Stated that, she did take anything like one Tylenol in her case she would be fine but she cannot handle strong doses of any medication and had an epidural shot and can't handle over doses of any medication and states that he has no lots, expiry dates, medication names for medications that she cannot handle the doses of including Tylenol to provide. The caller asked whether Pfizer has anything to do with the Moderna vaccine and stated that, the patient had the Pfizer Covid vaccine and he himself had the Moderna shot and stated he will contact Moderna# no further details provided. Stated that, he will talk to the patient's doctor#. The caller asked whether he could go buy Tylenol and was aware that Pfizer unable to offer medical advice or treatment recommendations. The events did not result in emergency room and physician office. The relevant tests were reported as none. The outcome of the events was unknown.  The lot number for the vaccine, [BNT162B2], was not provided and will be requested during follow up.