Reiterated her physician advised her not to get the second COVID-19 Vaccine; High fever; an intense headache; Fatigue; Swelling of injection site; This is a spontaneous report from a contactable consumer (patient herself). A 65-years-old female patient received BNT162B2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE, formulation: solution for injection, lot number: EM9809, expiry date: unknown) via unspecified route of administration, administered in left arm on 17Feb2021 11:30 (age at vaccination: 65-years) as dose 1, single for COVID-19 immunisation. Vaccine was not administered at facility. There was no history of all previously immunizations and no other vaccines was administered on the same day of covid vaccine. There was no prior vaccinations within 4 weeks and no AEs following prior vaccinations. Family medical history was none. Patients medical history and concomitant medications were not reported. Patient was supposed to receive second dose, she thinks 10Mar2021. She developed a reaction from the vaccine during the first week after getting the first dose. She clarified as a high fever, an intense headache that she couldn't get rid of, and fatigue. She reported her symptoms to her personal physician and around that time he had caller take an antibody test. She was positive for antibodies. Her physician preferred to not receive the second vaccine. It went very well. She just reported her symptoms to her physician rather than Pfizer or the department of public health. She received a letter from Public Health wanting to know if she didn't get the second vaccine to please get it. So she wanted to report and let Pfizer know as to why she didn't get it. She was appreciative that Pfizer received emergency use for the vaccine and had helped a lot of people. High Fever began probably around 03:00 on 18Feb2021, temperature was 101. She was taking Tylenol for it. It lasted for a couple of days. Intense headache which she couldn't get rid of began probably around 03:00 on 18Feb2021. Headache seemed intense for the first couple of days. Then went to a dull headache for like five days. Personally she doesn't do well with headaches and doesn't usually get headaches. It was unusual for her. She was just really tired on 18Feb2021. It lasted about a week, about seven days. She had swelling in her injection site more towards the evening of 17Feb2021. She applied cold compresses on it and it went down. Confirmed swelling has subsided. Patient stated she was positive for Covid-19 antibodies. She was granted emergency usage in Jan2021. She asked if that date was correct. Patient called her local health department to be put on the list when her age group came up. She was called in a couple of weeks. She confirmed COVID-19 antibody test was performed after she received the first dose of COVID-19 Vaccine. She does not remember exact date of the antibody blood test. Reiterated her physician advised her not to get the second COVID-19 Vaccine. The patient underwent lab test for COVID-19 antibody test with positive results on an unspecified date. The outcome of the events was recovered for high fever, an intense headache and fatigue on an unspecified date in 2021 and swelling of injection site on 18Feb2021.   No follow-up attempts are needed. No further information is expected.