shaking; got chills so bad/shivering; He was freezing; he was sick; he felt nauseous; had no appetite; he was dizzy; his balance was off; almost fell a couple times; His whole body was sore/all the muscles in his belly and chest are sore from that; he is weak; fever; he gets the sweats; This is a spontaneous report from a contactable consumer (patient) reported for himself. A 67-years-old male patient received second dose of BNT162B2 (PFIZER-BIONTECH COVID-19 VACCINE, Solution for injection, Lot number: EN6205, Expiration date: unknown) via an unspecified route of administration, administered at an unspecified anatomical location on 07Mar2021 at 09:40 am (age at vaccination was 67 years) as dose 2, single for COVID-19 immunization. The patient's medical history included ongoing diabetes mellitus (diabetic, he was diagnosed years ago). Concomitant medication included empagliflozin (JARDIANCE) taken for diabetes mellitus (he had been taking this about 3-4 years). The patient previously received first dose of BNT162B2 (PFIZER-BIONTECH COVID-19 VACCINE, Solution for injection, Lot number: EL9266, Expiration date: unknown) via an unspecified route of administration, administered at an unspecified anatomical location on 14Feb2021 (age at vaccination was 66 years) as dose 1, single for COVID-19 immunization. The patient had called about the reaction he had or symptoms he had. He had side effects about 15 hours after the second shot of Pfizer COVID 19 vaccine. The chills began on 08Mar2021 in the middle of the night at about 2:00 am he started shaking. He confirmed he went to bed on the 07Mar2021 and the chills and shaking began at 2:00 am on 08Mar2021. He couldn't stay in bed, he went and got 4 blankets and a heating pad on high and had 4 blankets and the heating pad and was shivering all night it took a couple hours until he could warm up. On 08Mar2021, about 15 hours after the shot, the patient started shaking so bad he got chills so bad, he thought he was going to have heart attack he was so scared, he tried to calm his self down but he couldn't stop shaking. He was freezing it was terrible for 2 hours, it was really bad. Then all day that day he was sick, he felt nauseous and had no appetite, he was dizzy his balance was off, he almost fell a couple times. His whole body was sore probably from when he was shaking all his muscles were flexing, so after that all the muscles in his belly and chest were sore from that. He felt better today. His wife took his temperature that morning, he didn't take his temperature that day he did not feel like it, he did not even want eat, all day he did not eat. His temperature was normal that morning it was right on the normal line. He was pretty sure he had fever in the morning that day, he would have the cold chills and then he gets the sweats and he had to take his shirt off turn and turn the fan on because he was overheating then he would start to freeze again but that morning he felt back to normal, he was weak which was probably from not eating. The outcome of the event he was freezing was resolved on an unspecified date in 2021. The outcome of the event his whole body was sore/all the muscles in his belly and chest were sore from that was resolving. The outcome of the other events was unknown.  No follow-up attempts are possible. No further information is expected.