Headache; eye sockets were hurting; After a while he felt like he had covid all over again; gotten really sick; He tried to get up off the couch in the den and he couldn't; no strength/So weak; winded; scared, scared like he doesn't know what; Vision was getting dim; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP). The reporter is the patient.  A 76 year-old male patient received bnt162b2 (BNT162B2), administered in deltoid right, administration date 16Mar2021 15:00 (Lot number: EP7534) at the age of 76 years as dose 1, single for covid-19 immunisation. Relevant medical history included: "COVID-19", start date: May2020 (unspecified if ongoing); "eye sockets ached", start date: May2020 (unspecified if ongoing); "headache", start date: May2020 (unspecified if ongoing); "lost smell and taste buds", start date: May2020 (unspecified if ongoing); "lost smell and taste buds", start date: May2020 (unspecified if ongoing); "weak", start date: May2020 (unspecified if ongoing); "short winded", start date: May2020 (unspecified if ongoing); "needle phobic" (unspecified if ongoing); "Diabetic" (unspecified if ongoing). The patient took concomitant medications. The following information was reported: HEADACHE (non-serious) with onset Mar2021, outcome "recovered" (Mar2021), described as "Headache"; EYE PAIN (non-serious) with onset Mar2021, outcome "recovered" (Mar2021), described as "eye sockets were hurting"; SUSPECTED COVID-19 (non-serious) with onset Mar2021, outcome "recovered" (Mar2021), described as "After a while he felt like he had covid all over again"; ILLNESS (non-serious) with onset Mar2021, outcome "recovered" (Mar2021), described as "gotten really sick"; DYSSTASIA (non-serious) with onset Mar2021, outcome "recovered" (Mar2021), described as "He tried to get up off the couch in the den and he couldn't"; ASTHENIA (non-serious) with onset Mar2021, outcome "recovered" (Mar2021), described as "no strength/So weak"; DYSPNOEA (non-serious) with onset Mar2021, outcome "recovered" (Mar2021), described as "winded"; NERVOUSNESS (non-serious) with onset Mar2021, outcome "recovered" (Mar2021), described as "scared, scared like he doesn't know what"; VISUAL IMPAIRMENT (non-serious) with onset Mar2021, outcome "recovered" (Mar2021), described as "Vision was getting dim".  Additional information: Patient reported he had the COVID-19 virus.  He was quarantined at home, so he knows just how it feels.  The way it attacked him was his eye sockets ached like he doesn't know what. He said he couldn't look left or right or up and down, that's how bad his eye sockets were aching.  Then he had a headache and he lost smell and taste buds. He was weak and short winded.  These symptoms were all when he got COVID-19 Virus the first of May2020, prior to receiving the first dose of COVID-19 shot by Pfizer. It was further reported that he got his first dose Covid-19 shot by Pfizer and Wednesday evening, he started to get headache and his eye sockets were hurting and it started to intensify going on over into the evening. After a while he felt like he had COVID all over again, patient stated this is what it felt like. He tried to relax in the den in his chair and rest a while. He had gotten really sick then and he got scared. He tried to get up off the couch in the den and he couldn't. He had no strength: He turned to his side and rolled up where he could stand all the way up but walked his way around holding onto the furniture to come out of there and go into the living room where his phone was. The patient was so weak and winded. He reported that he hadn't eaten all day, well he ate breakfast, but didn't eat dinner. He stated that he takes his medicine in the morning and afternoon. He reported that he was scared, scared like he doesn't know what. By then, his vision was getting dim. He realized he hadn't eaten anything, and he was diabetic.  He had taken his medicine for the evening. He then made instant oatmeal, put in microwave and he sat there on the counter and ate it. After a while he started to feel a little better. He guesses within the next hour or so after he got back in there he was feeling pretty good. Whatever that was it came over him and was leaving him.  His head wasn't hurting as bad and his eye socket wasn't aching as much. As the evening went on it all lifted up off of him. When he went to bed, he was feeling a whole lot better. When he woke up Thursday, he was feeling better. Thursday everything was back to normal.   No follow-up attempts are possible. No further information is expected.