she could have partially had a stroke; She woke up and her left hand and arm were numb; left arm hurts a couple of days ago; Her hand is now cramped up, and she cannot bend it, almost like someone who has cerebral palsy.; she could not use her left hand; Her hand is now cramped up, and she can not bend it, almost like someone who has cerebral palsy./all her fingers are cramped and she cant open them and her hand is in a brace; radial nerve palsy; This is a spontaneous report from a contactable consumer or other non hcp. A 61-years-old female patient received bnt162b2 (PFIZER-BIONTECH COVID-19 VACCINE; Solution for injection, Lot Number: EN6198) via an unspecified route of administration, administration in left arm on 19Mar2021 as SINGLE DOSE for covid-19 immunization. Medical history was not reported. There were no concomitant medications. On 01Apr2021, she woke up and her left hand and arm were numb. She went to the hospital, and they told her she could have partially and had a stroke. Three days after receiving the first dose of the Covid vaccine, she could not use her left hand. Her hand was now cramped up, and she could not bend it, almost like someone who had cerebral palsy. She stated that after the first dose her left hand went numb, and she went to the hospital and was diagnosed with radial nerve palsy. She stated that all her fingers are cramped, and she can't open them, and her hand was in a brace. She stated that she would have to do physical therapy. It was her left hand, the same arm that she got the first dose of the Covid vaccine in. She could not move her left hand. She was really annoyed about it, and she was scared. The patient stated that she had a grandson and a daughter. This vaccine was the best possible way to prevent Covid. She had always got vaccines. Upon follow-up received on 09Apr2021, she was calling about the Pfizer Covid vaccine. She does not have a ride to get her second dose of the Covid vaccine on Saturday morning. She does not know the name of the facility where she was supposed to go. She was asking for help with an (cab service). She thought she was calling her county. She would call her county and ask for help with a ride. She had a reaction after her first dose of the Covid vaccine. She received the first dose on 19Mar2021. She does not know if it was because of the Covid vaccine. She was asking if she should get the second dose of the Covid vaccine in the same arm as last time. She wanted to get the second dose of the Covid vaccine in the same arm as last time, so that she does not mess up the other side of her body. She was asking what was going on with her arm. She was asking if thaws had anything to do with the Covid vaccine. Upon follow-up received on 09Apr2021, she scheduled second dose due on 10Apr. Her left arm hurts a couple of days ago, it ended her going to the hospital. She called to ask if it had something to do with the Covid vaccine. The event hypoaesthesia, cerebral palsy, muscular weakness, muscle spasms outcome was reported as not recovered. The event cerebrovascular accident, pain in extremity, radial nerve palsy outcome was reported as Unknown. The action taken in response to the events for bnt162b2 was not applicable. Therapeutic measures were taken as a result of her hand was now cramped up, and she cannot bend it, almost like someone who had cerebral palsy. (cerebral palsy).  Follow-up (09Apr2021): This follow-up spontaneous report from a Pfizer-sponsored program. A contactable consumer (patient) reported that: New significant information.