recurrence. sensitivity disorders occurring in both legs/feet up to the knee and in the upper extremity up to the elbow; patient has had constant occipital headaches since the 2nd vaccination (also 2 days later).; this is a spontaneous report received from a contactable reporter(s) (physician) from the regulatory authority-web. regulatory number: at-basgages-2022-014160. a 27 year-old male patient received bnt162b2 (comirnaty), intramuscular, administration date 04dec2021 (lot number: 31134tb) as dose 2, single for covid-19 immunisation. the patient's relevant medical history and concomitant medications were not reported. vaccination history included: covid-19 vaccine (1st dose, manufacturer unknown), for covid-19 immunisation. the following information was reported: sensory level abnormal (medically significant) with onset 06dec2021 07:00, outcome "not recovered", described as "recurrence. sensitivity disorders occurring in both legs/feet up to the knee and in the upper extremity up to the elbow"; headache (medically significant) with onset 06dec2021 07:00, outcome "not recovered", described as "patient has had constant occipital headaches since the 2nd vaccination (also 2 days later).". no follow-up attempts are possible. no further information is expected