loss of sensation/still cannot feel left arm; body numbness/numbness in the left arm and shoulder; this is a spontaneous report received from a contactable reporter(s) (consumer or other non hcp) from the regulatory authority. a 20 year-old female patient (not pregnant) received bnt162b2 (bnt162b2), administration date 26aug2021 (lot number: fe8087) at the age of 20 years as dose 1, single for covid-19 immunisation. relevant medical history included: "folate deficiency" (unspecified if ongoing); "asthma" (unspecified if ongoing). concomitant medication(s) included: folic acid taken for folate deficiency, start date: 14dec2019; ventolin nebules taken for asthma, start date: 14dec2019. the following information was reported: sensory loss (disability) with onset 26aug2021, outcome "not recovered", described as "loss of sensation/still cannot feel left arm"; hypoaesthesia (disability) with onset 26aug2021, outcome "not recovered", described as "body numbness/numbness in the left arm and shoulder". clinical course: symptoms only started after the patient received the vaccine, the patient only had the one. the symptoms were often numbness in the left arm and shoulder but would usually go away. from 12th of feb 2022, symptoms have worsened, and the patient still cannot feel left arm. no follow-up attempts are possible. no further information is expected