sore arm after 3 months and could not lift above shoulder height; cannot lift above shoulder height; primary immunisation: dose one unknown manufacturer and dose two astrazeneca; booster: comirnaty; primary immunisation: dose one unknown manufacturer and dose two astrazeneca; booster: comirnaty; this is a spontaneous report received from a contactable reporter(s) (consumer or other non hcp) from the regulatory number: gb-mhra-webcovid-202202152225551620-sd7vq. a 57 year-old female patient received bnt162b2 (comirnaty), administration date 07nov2021 (lot number: fk0112) as dose 3 (booster), single for covid-19 immunisation. the patient's relevant medical history and concomitant medications were not reported. vaccination history included: covid-19 vaccine astrazeneca (dose number unknown), administration date: 22may2021, for covid-19 immunisation; covid-19 vaccine (dose number unknown,manufacturer unknown), for covid-19 immunisation. patient has not had symptoms associated with covid-19. patient is not enrolled in clinical trial. the following information was reported: off label use (medically significant), interchange of vaccine products (medically significant) all with onset 07nov2021, outcome "unknown" and all described as "primary immunisation: dose one unknown manufacturer and dose two astrazeneca; booster: comirnaty"; pain in extremity (medically significant) with onset 04dec2021, outcome "not recovered", described as "sore arm after 3 months and could not lift above shoulder height"; hypokinesia (medically significant) with onset 04dec2021, outcome "not recovered", described as "cannot lift above shoulder height". the patient underwent the following laboratory tests and procedures: sars-cov-2 test: no - negative covid-19 test. patient has not tested positive for covid-19 since having the vaccine. the reporter considered the report was not relate dto possible inflammation of the heart (myocarditis or pericarditis). clinical course: sore arm after 3 months - cannot lift above shoulder height. no follow-up attempts are possible. no further information is expected