heart attack; Didn't feel good; Dizzy; Disoriented feeling; Myocarditis; Pericarditis; This is a spontaneous report from a contactable consumer (patient). A 66-years-old female patient received first dose of bnt162b2 (BNT162B2, solution for injection) in the morning via an unspecified route of administration, administered in arm left on 18Dec2020 (Batch/Lot Number: EK5730) (at the age of 66-years-old) as SINGLE for covid-19 immunization. Vaccine was not administered at (privacy) facility and It was provided that none of the other vaccine was administered on the same day as of Pfizer vaccine. Patient medical history included blood pressure and she did reacted to the pneumonia vaccine but she doesn't know the name of the product or any NDC, Lot or Expiry. She was suppose to get 2 doses but never got the second dose due to the reaction from an unknown date and unknown if ongoing. Patient concomitant medication(s) included carvedilol taken for blood pressure from 2006 to an unspecified stop date and her blood pressure was controlled. The patient did not receive any other vaccines within 4 weeks. Patient was asking whether the 2 doses protect against the delta variant. Responded variant was first detected in Mar2021. It was initially identified in Dec2020. So far, studies suggest that the current authorized vaccines work on the circulating variants. Scientists will continue to study these and other variants. Please call your vaccination provider or your healthcare provider if you have any questions about this topic or the safety or efficacy of Pfizer-BioNTech COVID-19 Vaccine. Furthermore, patient was asking what is the new name and what is that about. Responded COMIRNATY (COVID-19 Vaccine, mRNA) was an FDA-approved COVID-19 vaccine made by Pfizer for BioNTech. It was approved as a 2-dose series for prevention of COVID-19 in individuals 16 years of age and older. It was also authorized under EUA to be administered to: prevent COVID-19 in individuals 12 through 15 years, and provide a third dose to individuals 12 years of age and older who have been determined to have certain kinds of immunocompromised. On Jan2021, the patient experienced myocarditis, pericarditis. Patient was struggling all through the spring with heart pounding, BP going high, dizziness, just dizzy funny disoriented feeling which was started in first week of Jan. It would take a long time to slow down too. Her primary care changed blood pressure medication several times during the spring while she was following up related to the symptoms for which the patient had to visit Emergency Room and Physician Office. On an unspecified date, the patient also had chest pain and didn't feel good. Patient was hiking and she couldn't did it felt dizzy, not feeling safe, heart started pounding, it wouldn't slow down. She started with these symptoms till it progressed to this heart attack. Her symptoms started and she began writing down her blood pressures, she started doing that on 04Jan. She hiked and experienced dizziness and disoriented feeling. Responded as noted in the fact sheet for recipients, you should not get the Pfizer-BioNTech COVID-19 Vaccine if you had a severe allergic reaction after a previous dose of the vaccine or if you had a severe allergic reaction to any ingredient of the vaccine. The decision to receive another dose for any other reason cannot be made by Pfizer. We refer you to speak to your healthcare provider about the risks of the vaccine compared to the risks of potentially not being fully protected against COVID-19 infection. Your healthcare provider knows your health situation and has access to information that can better help inform this decision. The patient underwent lab tests and procedures which included blood pressure with high readings of 150/100 where her normal was 130's/80-90. She tracked this through the spring and started going to primary care to get checked. She visited her primary care related to this on 19Jan2021, 03Feb2021, 17Mar2021, 31Mar2021, and 01Jun2021. On 22Jun2021, had EKG which resulted in abnormal with inverted t wave and was improved on 23Aug2021. On 22Jun2021, her troponin was found to be 7.5 or something which was found to be normal on 23Aug2021. The patient did not received any treatment for the events. The outcome of events was unknown.   Information on the lot/batch number has been requested.