cervical myelitis; this is a spontaneous report received from a contactable reporter(s) (physician) from the regulatory authority web. regulatory number: it-minisal02-843014. a 38 year-old male patient received bnt162b2 (comirnaty), administration date 23nov2021 (lot number: 1f1005a) as dose 3 (booster), single for covid-19 immunisation. the patient's relevant medical history and concomitant medications were not reported. vaccination history included: comirnaty (dose 1), for covid-19 immunisation; comirnaty (dose 2), for covid-19 immunisation. the following information was reported: myelitis (hospitalization) with onset 28nov2021, outcome "recovered with sequelae", described as "cervical myelitis". the patient underwent the following laboratory tests and procedures: lumbar puncture: unknown results. actions taken (diagnostic workup, including rachycentesis, high-dose steroid therapy intravenous, neuromotor rehabilitation clinical and radiological follow-up). no follow-up attempts are possible. no further information is expected