muscle ache; chest pain; This is a spontaneous report from a contactable Patient or other non hcp (patient). A 51-years-old female patient received bnt162b2 (PFIZER-BIONTECH COVID-19 VACCINE, formulation: solution for injection), dose 2 via an unspecified route of administration, administered in Arm Left on 03May2021 (Batch/Lot number was not reported) as DOSE 2, SINGLE for covid-19 immunisation. The patient medical history was not reported. Concomitant medication included influenza vaccine (FLU VACCINE VII) taken for an unspecified indication from 2021 to an unspecified stop date. Patient previously took historical vaccine on Apr2021 dose 1 BNT162B2 (at the age of 51-years-old) as a DOSE 1, SINGLE for Covid-19 Immunization. Patient received the second dose of the Pfizer-BioNTech COVID-19 Vaccine last 03May2021, and then experienced chest pain and muscle ache by 05May2021. Reporter mentioned she has been to multiple doctors (been through permanent care and cardiologist) and took Omeprazole 40mg for 1 week but did not work for patient. Patient took it 2 weeks before, but they told him to wait more. took it like 10 11 days before. But then he had to wait for like 2 weeks which is for like 18 days or 16 day They said nothing was wrong with her heart. But her heart, her chest is aching every day since May and her muscle aching. But then the cardiologist say they can't find anything. There is nothing wrong with her heart. But why is her heart is always paining and it has been after the vaccine since May. So, he doesn't know if the, the urgent care they said everything is fine. The emergency room, they said everything is fine. Patient stated, "Yes, I took vaccine in May2021 and after taking the vaccine, since that time I have been like having chest pain, you know like chest pain and muscle pain. I have been to emergency room. I have been to urgent care, and I have been to my primary care, and I have been to cardiologist. I think I have been to the cardiologist 3 times. They did all the tests, everything. They said nothing was wrong with my heart. But my heart, my chest is aching every day since May and my muscle aching. But then the cardiologist say they can't find anything. There is nothing wrong with my heart. But why is my heart always paining and it has been after the vaccine since May. So, I don't know if the, the urgent care said everything is fine. The emergency room, they said everything is fine. They did all the tests, but they couldn't, you know. So, I am wondering what is going on. When I got it, I thought it is gonna get better. I kept waiting, you know, for it to get better. I kept vising all these doctors, but it's not. Treatment for the event reported as No, I didn't take, the emergency room, they did ask me to take Omeprazole 40 milligrams. I took Omeprazole for 1 week. I took it for 1 week. It did not help me. So, I stopped. It has something like T14 Okay LOT# P2100120" (Further not clarified, hence not captured in the tab). The patient underwent lab tests and procedures which included electrocardiogram, unknown investigation, ultrasound scan and x-ray for all results were unknown in 2021. Outcome of all the events was not resolved.   The lot number for the vaccine, [BNT162B2], was not provided and will be requested during follow up.