Pain in right arm/pain all the way up and down my arm; Swelling of vaccine shot cite/swelling at the vaccine site; Extreme muscle pain down and up arm; Extreme pain in shoulder joint/extreme joint on pain on my left shoulder; Tiredness; Not feeling well; worried; This is a spontaneous report from a contactable consumer (patient). A 80-years-old female patient received bnt162b2 (BNT162B2, Solution for injection, Lot Number: EM9809) via an unspecified route of administration, administered in Arm Left on 18Feb2021 at 15:00 (at the age of 80-year-old) as dose 2, single for covid-19 immunisation. Medical history included Penicillin allergy and hyperthyroidism. Concomitant medications included acetylsalicylic acid (ASPIRIN (E.C), naproxen sodium, pseudoephedrine hydrochloride (ALEVE D) and levothyroxine sodium (LEVOTHYROXIN) all taken for an unspecified indication. The patient did not receive any other vaccines within 4 weeks prior to the COVID vaccine. Prior to vaccination the patient was not diagnosed with COVID-19. Historical vaccine included bnt162b2 (BNT162B2, Solution for injection, Lot Number: EL9262) via an unspecified route of administration, administered in Arm Left on 21Jan2021 at 12:00 (at the age of 80-year-old) as dose 1, single for covid-19 immunisation. On 03Mar2021 at 06:00 the patient experienced swelling of vaccine shot cite/swelling at the vaccine site, extreme muscle pain down and up arm, extreme pain in shoulder joint/extreme joint on pain on my left shoulder, tiredness, not feeling well. On 12Mar2021, pain in right arm/pain all the way up and down my arm, shoulder pain and on unknown date in 2021, worried. Patient received treatment for all events except worried with heating pad and Aleve. The clinical course was reported as follows, Consumer stated, "I had some side effects to the second shot of my Covid 19 vaccine Pfizer vaccine and I just want to report them, I was very worried because I did not know what was happening and when I start having them and then dawned on me that it probably due to the vaccine, do you want me to explain them to you, I had the second shot on February the 18th of 2021, on approximately 3Mar21, march the 3rd, I started having a swelling at the vaccine site but no redness, just swelling, then by evening I was pain all the way up and down my arm and then over the next day it went to my shoulder and to my back  and I could not sleep on that side at all because it hurts so bad and I also had extreme joint on pain on my left shoulder and then on approximately, the let's see what date do I have here, approximately the 11th of march it migrated over to my right shoulder where I had my, in my joint and muscles around my right shoulder and then  by yesterday which was March the 14th, it has  almost disappeared, I had called my doctor and he did not know exactly what was going on, he urged me to go to the urgent care because he did not have any appointments, but did not do it, and I am glad I did not do it because now it seems that it all resolved but at that time I was concerned because I did not know what was happening and I thought well it must be the vaccine so." Outcome of the event worried was unknown and other events was recovered on unknown date in 2021.  Follow-up attempts are completed. No further information is expected.