Unable to breath/Shortness of breath; Myocarditis; Heart was severely enlarged; Bronchitis; Unable to walk; Heart was pounding in her chest; This is a spontaneous report from a contactable consumer (patient). A 54-year-old female patient of an unspecified age received BNT162B2 (PFIZER-BIONTECH COVID-19 VACCINE; solution for injection; lot number: EW0158; expiration date: Jul2021), via an unspecified route of administration, administered in upper right arm on 28Apr2021 17:00 (at the age of 53-years-old) as dose 2, single for COVID-19 immunization. Medical history included allergy. Concomitant medications included clarithromycin (CLARITIN), colecalciferol (VITAMIN D3), and zinc which were all ongoing. The patient takes the vitamins to build her immunity up. She also drinks orange juice for the vitamin C. The patient previously received BNT162B2 (PFIZER-BIONTECH COVID-19 VACCINE; lot number: ER8734; expiration date: Jul2021) administered in the upper right arm on 07Apr2021 (at the age of 53-years-old) as dose 1, single for COVID-19 immunization. The patient got the second COVID shot on 28Apr2021 and she left her mask on for two weeks. The patient got the vaccine because she wanted to protect her daughter who has asthma and her grandsons, and she thought it was safe. The patient did not receive any other vaccines within 4 weeks of the COVID vaccination. The clinical course of events was as follows: The patient reported that she had a lot of shortness of breath and issues happening with the heart. She was assumed that it was all dealing with the bronchitis. She had to go to two different urgent cares. The fourth time she went to urgent care, she had to go to urgent care because at the time she did not have a primary doctor. The girl told her she either had a blood clot or it was her heart and she needed to go to the emergency room. She went to the emergency room and found out it was her heart. The patient was admitted to the hospital and was in there for four days from 21Jul2021-24Jul2021. The patient clarified the hospitalization was due to not being able to breath. The minute she was given water pills for her heart she has been fine. Now, her heart is at 15-20%. The patient had myocarditis, she had a cath to see if any blockages and confirmed she was officially diagnosed 23Jun2021. For the bronchitis, the patient went on to say that she was unsure if she even had it. She had been suffering with being unable to breathe, unable to walk. Her heart was pounding in her chest. She was having this issue from the beginning of Jun2021. Every time she would use an inhaler or steroid the minute she was done and came off she could not breathe and her heart was pounding. By the time she went to the hospital she could not walk three feet, she was on her hands and knees. The patient found out her heart was severely enlarged and it works at 15-20%. The patient stated she was "wearing a life vest". She found out she won't have a heart attack. Her heart will just stop. She never had an issue in her life before. The patient was schedule to have an EKG or whatever it's called to see if it can get rid of life vest. The patient was started on a lot of heart pills which included Chewable Aspirin 81 mg children's; Carvedilol - 12.5mg twice a day; Furosemide 40 mg once a day - Fluid Pill; Lisinopril: 10 mg changed to twice a day now, once in morning once at lunch. The doctor was trying to strengthen her heart or will have to have a defibrillator placed in chest. Now, the patient was wearing wearable defibrillator since she got out of hospital; Potassium: 20 mEq once a day, because of the water pill and was getting cramps. The outcome of event myocarditis was not recovered while the outcome of the remaining events was unknown.  Follow-up attempts are completed. No further information is expected.