Heart rate increased; Swelling arm; Arm soreness; soreness at the vaccine injection site; This is a spontaneous report from a contactable consumer.  A 58-year-old male patient received the first dose of BNT162B2 (PFIZER-BIONTECH COVID-19 MRNA VACCINE, Lot number EJ1686, expiration date unknown) via an unspecified route of administration on 28Dec2020 at 13:00 (at the age of 58-years-old) at an unspecified dose in the upper left arm for COVID-19 vaccination. Medical history was reported as "no pre-existing conditions." He mentioned that he reviewed his allergies with a pharmacist prior to vaccination but did not specify what his allergies were. Prior to the vaccination, the patient was not diagnosed with COVID-19. The patient was a tobacco user from an unknown date. The patient also reported a history of pneumonia which was reported to have occurred on seven different occasions following each of seven different vaccinations with the flu vaccine (manufacturers unknown) prior to 2013. There were no concomitant medications. The patient did not receive any other vaccines within four weeks prior to the vaccination. He stated that after receiving the COVID 19 Vaccine he had side effects. He said the side effects went away at twenty four hours later, but he is still having one side effect, and has a concern. He clarified that he has an elevated heart rate since getting the COVID 19 Vaccine. He said he has never had an elevated heart rate before getting the COVID 19 Vaccine. He reported his heart rate is normally low, between 62-65. He said when he was at work on 28Dec2020 his heart rate was OK, but prior to going to bed that night his heart rate was 93 - 95. He said he thought at first he was just stressed. He also reported the COVID 19 Vaccine is the only thing he has taken. He mentioned that his heart rate has been down to 93, but then up to 105, and higher. He specified that he first presented with an elevated heart rate between 4:00 5:00PM on Tuesday, 29Dec2020. He said the elevated heart rate subsided enough for him to sleep later that day. He said he then started work around 10:00AM today, 30Dec2020, and felt the elevated heart rate in himself, and didn't say anything to anyone at work. He said when his heart rate got bad, it was about 12:30PM today and that today (30Dec2020) at work he didn't feel right at lunch, so he took his oxygen level and heart rate. He said his heart rate was 141. He said he called his primary care doctor, but didn't go to the emergency room. He said he doesn't have chest pain. He said he said something about his heart rate to a staff member at work, and the staff member tested his heart rate, and told him it was 141. He said he spoke to the nurse at his doctor's office, and the nurse said the doctor couldn't do much, and that he could go to emergency room or their practice's urgent care that is open until 7:00PM.  He said he tried to go to the hospital emergency room, but ended up driving by because the hospital was so busy they were triaging patient's in the parking lot. The patient also experienced arm swelling and arm soreness following the vaccination on 28Dec2020. He said he could feel the soreness at the vaccine injection site when he moved his left arm. He stated that the swelling was down to his biceps and it resolved within 12- to 14 hours after the vaccination. As treatment, the patient took a generic 81 mg Baby Aspirin (UPC Number: 050428323922, Lot Number: P110657 Expiration Date: May2020) on 30Dec2020 between 3:00 and 3:30. The patient stated that the generic 81mg baby aspirin was an expired product. The clinical outcome of heart rate increased was not recovered and the clinical outcome of arm swelling, arm soreness and vaccination site soreness was recovered on 28Dec2020.