felt like when you have the flu; dizzy/lightheaded; brain fog/really weird/felt bad; tingling on the right side of my head; when he walk, he is dizzy; cheeks turned red; cheeks have been red ever since I have gotten it; 'he turns' pale; felt weak; fever; fatigue; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non-HCP) from medical information team. The reporter is the patient. A male patient received bnt162b2 (BNT162B2), administration date 23Oct2021 (Lot number: FF8841) as dose 2, single for covid-19 immunisation. The patient's relevant medical history and concomitant medications were not reported. Vaccination history included: Bnt162b2 (Dose 1, Single (Lot Number: 301308A)), administration date: 02Oct2021, for COVID-19 Immunisation. The following information was reported: INFLUENZA LIKE ILLNESS (non-serious) with onset Oct2021, outcome "unknown", described as "felt like when you have the flu"; DIZZINESS (non-serious) with onset Oct2021, outcome "unknown", described as "dizzy/lightheaded"; FEELING ABNORMAL (non-serious) with onset Oct2021, outcome "unknown", described as "brain fog/really weird/felt bad"; PARAESTHESIA (non-serious) with onset Oct2021, outcome "unknown", described as "tingling on the right side of my head"; DIZZINESS EXERTIONAL (non-serious) with onset Oct2021, outcome "unknown", described as "when he walk, he is dizzy"; ERYTHEMA (non-serious) with onset Oct2021, outcome "unknown", described as "cheeks turned red; cheeks have been red ever since I have gotten it"; PALLOR (non-serious) with onset Oct2021, outcome "unknown", described as "'he turns' pale"; ASTHENIA (non-serious) with onset Oct2021, outcome "unknown", described as "felt weak"; PYREXIA (non-serious) with onset Oct2021, outcome "unknown", described as "fever"; FATIGUE (non-serious) with onset Oct2021, outcome "unknown", described as "fatigue".  Additional information: As per caller (patient) he got his first dose on 02Oct2021 and the second on 23Oct2021, he got sick after the 2nd dose (expiry date unknown). Later that night and early the next day side effects started, he felt weak, had a fever it felt like when you have the flu, been really dizzy lately, it was really weird, lightheaded, tingling on the right side of his head, brain fog. Are those common side effects"? Reporter further mentioned in another follow up call that he has taken his second Covid vaccine 3 weeks ago, Saturday which is since then he has had tingling on the right side of his head. He has had dizziness, when he walks, he is dizzy and his cheeks and 'he turns' pale and his cheeks turned red and he was wanting to speak to someone about this. "Consumer again stated, "Yeah, like real like fatigue, like brain fog type thing and then like I feel, like I feel really lightheaded a lot and it's bad and it's freaking me out. Like, I don't know what's going on and my cheeks have been red ever since I have gotten it like my cheeks. I had a temperature after I got the second one. Patient mentioned that he had his vaccination record. Patient mentioned that he read on the internet it can cause swelling of the brain. You know they are forcing the vaccine on you and when you have side effect you say go see a doctor, but the doctors don't know anything about it and some doctors are saying not to get the vaccine". Reporter seriousness was unspecified.   Follow-up attempts completed. No further information expected.