Getting severe vertigo; diagnosed with vertigo; started to feel very ill/Just doesn't feel too good; Had stroke like symptoms, but didn't have a stroke, had vertigo; Having a little bit of nausea and a little bit of weakness; Having a little bit of nausea and a little bit of weakness; This is a spontaneous report from a contactable consumer. A 57-year-old female patient received bnt162b2 (BNT162B2), dose 1 via an unspecified route of administration, administered in Arm Left on 01Apr2021 10:45 (Batch/Lot Number: EW0150; Expiration Date: Jul2021) as a single dose (at the age of 57 years) for covid-19 immunization. The patient's medical history included diabetic, high blood pressure (diagnosed with this 5 years or more ago, caller was not sure). The patient's concomitant medications were not reported. The patient was previously given flu shot (tries to stay up on taking flu shot.  Tries to stay up on them as much as caller can, tries to get every year as long as didn't catch flu, as long as not some reason not to receive the shot), pneumonia shot in 2019 and arm was sore. The patient experienced getting severe vertigo; diagnosed with vertigo, started to feel very ill, and had stroke like symptoms, but didn't have a stroke on 01Apr2021. It was further reported that patient got severe vertigo and it was like if she took her shot it was like 30 minutes after the shot. Patient was still having vertigo side effects. She went to the hospital,  was in hospital from 02Apr2021 to 03Apr202 1and they diagnosed her with vertigo and they done tests and all her tests came back normal. Patient was  trying to find out if she should I take the second Pfizer shot. It was also reported that later on that day patient called paramedics and was hospitalized for two days. Patient had stroke like symptoms, but didn't have a stroke, had vertigo. Patient had stroke like symptoms, but didn't have a stroke, had vertigo. Wasn't sure if first dose Pfizer Covid Vaccine had anything to do with it, but could have dislodged something in caller's ear that led the vertigo on. Had to go see another specialist,  eye ear, throat doctor and test came back fine with this doctor. The patient told the specialist she didn't feel comfortable just going to site where caller received first dose Pfizer Covid Vaccine, patient was more comfortable with hospital setting. The specialist told caller she probably needed to talk to someone that had something to do with the Pfizer Covid Vaccine.  Caller was waiting on a call back from her Primary Care Doctor.  Patient was supposed to have second dose Pfizer Covid Vaccine on 29Apr2021, next week, patient canceled the appointment due to trying to find out more information. iIt was mentioned that the patient was 75% back to the way usually feels.  Having a little bit of nausea and a little bit of weakness.  Patient does not have spinning of the room, dizzy and all of that like it was.  Just doesn't feel too good.  On an unknown date, the patient was having a little bit of nausea and a little bit of weakness. The patient was hospitalized for getting severe vertigo; diagnosed with vertigo, started to feel very ill and had stroke like symptoms, but didn't have a stroke, had vertigo from 02Apr2021 to 03Apr2021. The outcome of the events severe vertigo; diagnosed with vertigo, started to feel very ill, and had stroke like symptoms, but didn't have a stroke was recovering and unknown outcome for the remaining events.