Chills; He had light headache at first, but it became more intense; He took 3 readings for his blood pressure with a 5-minute-gap: 1st: 132/101; 2nd: 134/103; 3rd: 136/105; Fever; This is a spontaneous report from a contactable consumer (patient). A 45-year-old male patient received BNT162B2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE; Formulation: Solution for injection, Lot number: EWO182, Expiration Date: not reported), via an unspecified route of administration in left arm on 11May2021 21:15 as dose 1, single for COVID-19 immunization (at the age of 45-year-old). Medical history included covid-19 from Mar2021 to an unknown date. He had fever, weakness and soreness as symptoms and his blood pressure was 130/91. Concomitant medication(s) included colecalciferol (VITAMIN D [COLECALCIFEROL]) taken for an unspecified indication. The patient experienced chills on 12May2021 09:00, fever on 11May2021, he had light headache at first, but it became more intense on 12May2021, he took 3 readings for his blood pressure with a 5-minute-gap: 1st: 132/101; 2nd: 134/103; 3rd: 136/105 on 12May2021. It was reported that, took the 1st dose of the Pfizer-BioNTech Covid-19 Vaccine last night at 9:15 PM, he had chills and fever. He said he had light headache at first, but it became more intense so he took Tylenol. He said that he took 3 readings for his blood pressure with a 5-minute-gap: 1st: 132/101; 2nd: 134/103; 3rd: 136/105. Consumer wanted to know if having an increase blood pressure was a known reaction to the vaccine and was taking Tylenol more than enough to treat the symptoms. He also wanted to know if Tylenol was enough to treat these symptoms. Consumer also mentioned that he had Covid 2 months ago. He said he had fever, weakness, and soreness as symptoms, and his blood pressure was 130/91. He got tested, and the results came back positive. He also said his wife had the same symptoms, but did not get herself tested. He said that the fever and weakness subsided after 3 days. So after a week of isolation, he followed the instructions from the department and got himself tested again, and the results came back negative. However, the soreness continued for 3 to 4 weeks so he got tested the second time, and the results came back negative again. He said that his wife took a test with him, and the results came out negative as well so they both decided to get the vaccine. So, his wife took the vaccine 10 days ago and he noticed that she did not have any symptoms and also said that after his symptoms were all gone he decided to take the vaccine, while he had his yesterday, 11May2021. He said that his wife did not experience any side effect with the vaccine. Patient took only Vitamin D, not regularly only occasionally. Patient was relieved of chills but fever was there and severe headache and took Tylenol (treatment), no doctor prescribed and done by him it was injected on his left arm and he was getting relived now. His major concern was just why his blood pressure was very high like 101, 104, 105 like that. Patient already had fever and he decided that he would go to doctor. He went only for a Covid test, he went to lab from government site for testing, no other lab, it was in March second week. Patient stated yesterday, he had fever not chill but today he had chill after a vaccine. The patient underwent lab tests and procedures which included blood pressure measurement: 130/91 and sars-cov-2 test: positive on an unspecified date in Mar2021, blood pressure measurement: 132/101, 134/103 and 136/105 on 12May2021, sars-cov-2 test: negative on an unspecified date in 2021. Therapeutic measures were taken with Tylenol as a result of he had light headache at first, but it became more intense. The outcome of the event chills was recovered on 12May2021, fever was not recovered, he had light headache at first, but it became more intense was recovering and he took 3 readings for his blood pressure with a 5-minute-gap: 1st: 132/101; 2nd: 134/103; 3rd: 136/105 was unknown.