her chest didn't feel normal/ she had shooting "things" in her chest, and she felt weird; really bad chest pain; when the chest pain first started, she couldn't move or breath; when the chest pain first started, she couldn't move or breath; she had shooting pains in her left breast area. She said after an hour, the shooting pains moved from her left breast area to the center of her chest; This is a spontaneous report received from a contactable consumer (patient). A 37-year-old female patient received 1st dose of BNT162B2 (PFIZER-BIONTECH COVID-19 VACCINE, Solution for injection, LOT number: EW0169, expiration date unknown) via an unspecified route of administration at arm left on 22Apr2021 between 07:00-07:30 at age of 37-year-old at single dose for COVID-19 immunization. Medical history was reported as none. Patient had no history of all previous immunization with the Pfizer vaccine considered as suspect and no additional vaccines administered on same date of the Pfizer suspect. The events required a visit to emergency room. Physician Office visit was not required. There was no prior vaccinations (within 4 weeks). Concomitant medications included acetylsalicylic acid (ASPIRIN (E.C.)), paracetamol (TYLENOL 8 HOUR). Patient had her first COVID-19 Vaccine dose one week and one day ago on 22Apr2021. She said she was rushed to the hospital last night on 29Apr2021 (at around 11:00 PM) because she thought she was having a heart attack. She said she had really bad chest pain that lasted about 30 minutes. She clarified when the chest pain first started, she couldn't move or breath. She said she took an aspirin before she went to the hospital. She said she still had a shooting pain in her chest, today on 30Apr2021. She said she wanted to know what was going on. She said while she was at the hospital (Emergency Room), she had blood work done on 29Apr2021, and she had no blood clots. She said she had a (chest) x-ray done on 29Apr2021, and the (chest) x-ray was fine. She said her heart was monitored, and her heart was fine, but her left chest still had pain. She said she was a healthy 37 year old, who had no types of problems. She said the only thing she had recently was the COVID-19 Vaccine. She said she wanted to know if she should get the second COVID-19 Vaccine, or if the second COVID-19 Vaccine would kill her. The caller was advised she would be transferred to Pfizer Medical Information for further assistance. Patient reported she liked to Google, and was not sure if anybody had called Pfizer to go and report if they experienced chest pain after getting the COVID-19 Vaccine. She said she was not sure if the hospital was going to report what happened to her. She said she asked the (emergency room) doctor last night about people experiencing chest pain after getting the COVID-19 Vaccine. She said the doctor told her people with COVID complain about chest pain. She said what the doctor said didn't mean anything because he was talking about the COVID-19 Virus, and not the COVID-19 Vaccine. She stated she took 1 Bayer brand Aspirin 81mg (Lot Number: N8A94D0 or O, Expiration Date: Sep2022) before she went to the hospital for chest pain. She stated the hospital gave her Ketorolac to treat her chest pain. She said the Ketorolac was given to her in an IV form through an IV access in her arm. She said she did not have the Ketorolac dose, NDC, Lot, and Expiration Date. She reported that on 29Apr2021, the hospital took some urine and blood tests, a chest x-ray, and an EKG which was normal. She said beside the Ketorolac that was all the hospital (emergency room) did. Patient reported she took Tylenol 500mg caplet (Lot Number: AAA103, Expiration Date: Sep2024) if she had a headache, but usually didn't take medication. Reported while waiting for the doctor to see her at the hospital (emergency room) on 29Apr2021, she had chest pain for about 5-10 minutes. She said the chest pain calmed down, but she had shooting pains in her left breast area. She said after an hour, the shooting pain moved from her left breast area to the center of her chest. She said the chest pain was not as bad today (30Apr2021), as it was last night. She said her chest didn't feel normal on 30Apr2021, and she still had the shooting pains. She said after she had been talking with the Pfizer agent, she had shooting "things" in her chest, and she felt weird. No further details provided. Events were serious as hospitalized. Outcome of chest pain was recovering, of the other events was unknown.  Communication: The caller was provided with phone number of option 3, and hours of operation of Monday through Friday, 8AM to 8PM ET & Saturday and Sunday 9AM-3PM, prior to warm transfer  Follow-up attempts are needed. Further information is expected.