Sweating off and on all night; chills; felt like he was in a freezer; nauseous; headache / head was hurting; muscle pain; ached like he had the flu; tired; injection site hurt like hell and was swollen; injection site hurt like hell and was swollen; he slept for the last 15 hours overnight last night; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP). The reporter is the patient.  A 58 year-old male patient received bnt162b2 (BNT162B2), intramuscular, administered in arm left, administration date 22Mar2021 12:30 (Lot number: EN6204) at the age of 58 years as dose 1, single for covid-19 immunisation. Relevant medical history included: "Feeling unwell", start date: Jan2020 (ongoing), notes: has been over a year.; "COVID-19", start date: Nov2020 (unspecified if ongoing); "C-Diff" (unspecified if ongoing), notes: had it twice and was treated for it twice.; "transplants" (unspecified if ongoing), notes: had it for over a year and they cannot figure out what is wrong with him.; "chronic diarrhea" (unspecified if ongoing), notes: had it for over a year and they cannot figure out what is wrong with him.; "cannot taste", start date: Nov2020 (ongoing), notes: from having COVID; "cannot smell", start date: Nov2020 (ongoing), notes: from having COVID. There were no concomitant medications. The following information was reported: VACCINATION SITE PAIN (non-serious), VACCINATION SITE SWELLING (non-serious) all with onset 22Mar2021 12:45, outcome "recovering" and all described as "injection site hurt like hell and was swollen"; FATIGUE (non-serious) with onset 22Mar2021 15:00, outcome "recovering", described as "tired"; HYPERSOMNIA (non-serious) with onset 22Mar2021, outcome "unknown", described as "he slept for the last 15 hours overnight last night"; HEADACHE (non-serious) with onset 22Mar2021 15:00, outcome "recovering", described as "headache / head was hurting"; MYALGIA (non-serious) with onset 22Mar2021 15:00, outcome "recovering", described as "muscle pain"; INFLUENZA LIKE ILLNESS (non-serious) with onset 22Mar2021 15:00, outcome "recovering", described as "ached like he had the flu"; CHILLS (non-serious) with onset 23Mar2021 15:00, outcome "recovering", described as "chills"; FEELING COLD (non-serious) with onset 23Mar2021 15:00, outcome "recovering", described as "felt like he was in a freezer"; NAUSEA (non-serious) with onset 23Mar2021 15:00, outcome "recovering", described as "nauseous"; HYPERHIDROSIS (non-serious) with onset 23Mar2021 20:00, outcome "recovered" (24Mar2021 11:00), described as "Sweating off and on all night". Therapeutic measures were taken as a result of headache.  Additional information: The patient did not receive any other vaccine within 4 weeks prior to COVID-19 vaccine. It was further reported that his injection site hurt like hell and was swollen has improved a bit. The patient went to bed because he couldn't stand it because his head was hurting. He took acetaminophen (PHYSICIAN'S CARE EXTRA STRENGTH NON ASPIRIN) 2 tablets of 500mg every 6 hours as needed, to help with his headache but it did not help. Regarding the muscle pain, the patient ached like he had the flu and it was reported that it was not as bad today (day of report). Chills started yesterday afternoon (23Mar2021 at 15:00) and went all through the night. He felt like he was in a freezer and he had it in the house (with 70 degrees temperature) and eventually it has subsided. He doesn't know if he had a fever, but between the chills, he was sweating off and on all night from 20:00 to 11:00 the following day. He was concerned about next injection and wanted to know if he would be expecting to have the same side effects with that one.   No follow-up attempts are possible. No further information is expected.