She had a muscle soreness in her left arm and had worsened/Caller is still having muscle and shoulder pain in her left arm where she got the 2nd dose of the vaccine; She had a muscle soreness in her left shoulder and had worsened/Caller is still having muscle and shoulder pain in her left arm where she got the 2nd dose of the vaccine; Her arm is still sore; This is a spontaneous report from contactable consumer or other non-HCP (patient herself) via Medical Information Team. A 60-year-old female patient received second dose of BNT162b2 (PFIZER BIONTECH COVID-19 mRNA VACCINE, Solution for injection, Lot number- EW0150, Expiration Date- Jul2021) via unspecified route of administration in left arm on 20Apr2021 between 10:00 and 10:30 (as reported) (age at vaccination 60-years-old) as dose 2, single for COVID-19 immunization. Patient medical history included ongoing blood pressure high for about 10 years. The concomitant medications were not reported. Historical vaccine included first dose of BNT162b2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE, Solution for injection, Lot number- ER8730, Expiration Date- Jul2021) intramuscularly at left arm on 29Mar2021 as dose 1, single for COVID-19 immunization and had for a day and a half, and the muscle pain went away on its own and did not go into her left shoulder. The patient did not receive any other vaccines within four weeks prior to the vaccination. Additional Vaccines Administered on same date of the Pfizer Suspect was reported as none. The patient had muscle soreness in her left arm and muscle soreness in left arm had worsened on 20Apr2021. She was still having muscle and shoulder pain in her left arm where she got the second dose of the vaccine on 20Apr2021. She had a muscle soreness in her left shoulder and muscle soreness in left shoulder had worsened on 20Apr2021. She was still having muscle and shoulder pain in her left arm where she got the second dose of the vaccine and was wondering if that is typical and how long should it typically last on 20Apr2021. She had the second dose of the Pfizer COVID vaccine 2 weeks ago and her arm was still sore and hurting. She said she received the first dose 29Mar2021 and second dose was 20Apr2021. Second shot 2 weeks ago and my arm was still sore and still hurting. She had took some of her pain pills for her left arm and shoulder soreness. She clarified she took some Naproxen that was previously prescribed for arthritis. She said she did not have the Naproxen prescription bottle to provide the Naproxen dose. She had a muscle soreness in her left arm and left shoulder that started the day she got her second COVID-19 Vaccine, and the muscle soreness in her left arm and left shoulder worsened since it started. She her first COVID-19 Vaccine shot she had the same kind of left arm muscle pain for a day and a half, and the muscle pain went away on its own. She said with the first COVID-19 Vaccine the left arm muscle pain did not go into her left shoulder. She had a muscle soreness in her left arm that started the day she got her second COVID-19 vaccine on 20Apr2021, arm was still sore on an unspecified date in 2021. The patient had received the treatment for the events, she had took some of her pain pills for her left arm and shoulder soreness. She clarified she took some Naproxen that was previously prescribed for arthritis. The adverse events did not require to visit emergency room and physician office. The outcome of the event arm is still sore was unknown and the other events was not recovered.   No follow-up attempts are needed. No further information is expected.