After a few more days the pain spread into the left side of my neck/ Over the course of the next couple weeks, the pain spread across both shoulders & completely around my neck; Now a full month after receiving the booster the pain occasionally radiates down my back & into my shoulder blades; Now a full month after receiving the booster the pain occasionally radiates down my back & into my shoulder blades; Two days after receiving the booster shot on 12/26/21 I started to have sharp pains in my left shoulder above the injection location/ Over the course of the next couple weeks, the pain spread across both shoulders & completely around my neck; The sharp pains were sporadic, but the overall pain would not go away; This is a spontaneous report received from a contactable reporter (consumer or other non-HCP). The reporter is the patient.  A 43-year-old male patient received bnt162b2 (BNT162B2), administered in left arm, administration date 26Dec2021 at 12:30 (Lot number: FE3594) at the age of 43 years as dose 3 (booster), single for COVID-19 immunisation. Relevant medical history included: "None" (unspecified if ongoing). There were no concomitant medications. Vaccination history included: Bnt162b2 (DOSE 1, SINGLE, Lot Number: ER8736, Anatomical Location: Left arm, Route of Administration: Unspecified, Time of Administration: 11:45), administration date: 01May2021, when the patient was 42 years old, for COVID-19 immunisation and Bnt162b2 (DOSE 2, SINGLE, Lot Number: EW0168, Anatomical Location: Left arm, Route of Administration: Unspecified, Time of Administration: 12:00), administration date: 24May2021, when the patient was 42 years old, for COVID-19 immunisation.  The following information was reported: ARTHRALGIA (non-serious) with onset 28Dec2021 at 12:00, outcome "not recovered", described as "Two days after receiving the booster shot on 12/26/21 I started to have sharp pains in my left shoulder above the injection location/ Over the course of the next couple weeks, the pain spread across both shoulders & completely around my neck"; PAIN (non-serious) with onset 28Dec2021 at 12:00, outcome "not recovered", described as "The sharp pains were sporadic, but the overall pain would not go away"; NECK PAIN (non-serious), outcome "not recovered", described as "After a few more days the pain spread into the left side of my neck/ Over the course of the next couple weeks, the pain spread across both shoulders & completely around my neck"; BACK PAIN (non-serious), MUSCULOSKELETAL PAIN (non-serious) all with onset 26Jan2022, outcome "not recovered", and all described as "Now a full month after receiving the booster the pain occasionally radiates down my back & into my shoulder blades". The events "Two days after receiving the booster shot on 12/26/21 I started to have sharp pains in my left shoulder above the injection location/ Over the course of the next couple weeks, the pain spread across both shoulders & completely around my neck", "The sharp pains were sporadic, but the overall pain would not go away", "After a few more days the pain spread into the left side of my neck/ Over the course of the next couple weeks, the pain spread across both shoulders & completely around my neck" and "Now a full month after receiving the booster the pain occasionally radiates down my back & into my shoulder blades" were evaluated at the physician office visit. Therapeutic measures were taken as a result of arthralgia, pain, neck pain, back pain and musculoskeletal pain.  Additional Information: Prior to vaccination, the patient was not diagnosed with COVID-19. The patient did not receive any other vaccine within four weeks prior to the COVID vaccine. Since the vaccination, the patient had not been tested for COVID-19. It was reported that on 03Feb2022 (reported as today), patient saw his general practitioner who recommended him to see an orthopedic doctor and also issued a prescription for anti-inflammatory medication. He also instructed him that he need to notify Pfizer of this issue. Treatment included unspecified anti-inflammatory medication for arthralgia, pain, neck pain, back pain and musculoskeletal pain.