pain legs; falling down; this is a spontaneous report received from a contactable reporter(s) (consumer or other non hcp) from the regulatory authority-web. regulatory number: it-minisal02-842987. a 74 year-old female patient received bnt162b2 (comirnaty), intramuscular, administered in arm left, administration date 10feb2022 (lot number: fk6304) as dose 2, single for covid-19 immunisation. relevant medical history included: "obesity" (unspecified if ongoing); "incontinence" (unspecified if ongoing); "copd" (unspecified if ongoing); "heart failure" (unspecified if ongoing). the patient's concomitant medications were not reported. vaccination history included: covid-19 vaccine (first dose, manufacturer unknown), administration date: 20jan2022, for covid-19 immunisation. the following information was reported: pain in extremity (hospitalization) with onset 11feb2022, outcome "recovering", described as "pain legs"; fall (hospitalization) with onset 11feb2022, outcome "recovering", described as "falling down". therapeutic measures were taken as a result of pain in extremity, fall. actions taken (venous potassium therapy) - impact on quality of life (8/10). no follow-up attempts are possible. no further information is expected