pain in ribs; back pain; typical shingles rash; this is a spontaneous report received from a contactable reporter (consumer) from the regulatory agency (ra). regulatory number: gb-mhra-vac-202202251905023040-oap4s (ra). other case identifier(s): gb-mhra-adr 26652980 (ra). a female patient received bnt162b2 (comirnaty), administration date 18dec2021 (batch/lot number: unknown) as dose number unknown, single for covid-19 immunisation. the patient's relevant medical history and concomitant medications were not reported. the following information was reported: herpes zoster (medically significant) with onset 09jan2022, outcome "recovering", described as "typical shingles rash"; musculoskeletal chest pain (medically significant), outcome "not recovered", described as "pain in ribs"; back pain (medically significant), outcome "not recovered", described as "back pain". therapeutic measures were taken as a result of herpes zoster, musculoskeletal chest pain, back pain. the clinical course was also reported as follows: the events still had not gone. antivirals taken within 24 hours of symptoms started, painkillers given to manage the pain. kept getting stronger painkillers and still on painkillers now 7 weeks later. these reactions not occurred as a result of a mistake made in the administration of the vaccine. no follow-up attempts are possible; information about lot/batch number cannot be obtained. no further information is expected