muscle pain; fatigue; Headache; her body ached; she really got cold, and it was a very bad cold feeling; felt sick/since she had the COVID-19 Vaccine, she had been really, really sick; couldn't lift her arms; Fever; Chills; her eyes were not as sharp as normal, and didn't know if that was because of the COVID-19 Vaccine; This is a spontaneous report from a Pfizer-sponsored program. A contactable 77-year-old female consumer (patient) reported that she received first dose of bnt162b2 (PFIZER-BIONTECH COVID-19 VACCINE, Solution for injection, Lot Number: EN6199; Expiration Date: 30Jun2021), dose 1 via an unspecified route of administration, administered in left arm on 08Mar2021 at 11:30 (at the age of 77 years) as dose 1, single for covid-19 immunisation. Medical history included ongoing acid reflux for about 15 years. There was no concomitant medications was reported. Historical vaccine included flu shot for immunization and was sick. She had called the people at where she had gotten her COVID-19 Vaccine to tell them about the problems she had after getting the COVID-19 Vaccine. She did not take the flu shot because she felt she was more sick with colds after she got the flu shot. She was forced to take the flu shot when she worked because she had to work with people. She hadn't worked in about 10 years, and that was probably the last time she had a flu shot. She didn't have the NDC, Lot, and Expiration Dates for the flu shots she received in the past. She was just given the flu shot, and the flu shot paperwork, and she would never read the flu shot paperwork. Patient Height was 5 foot 1 inch as provided by caller, who stated that she had shrunk, and did not know why. She was a healthy person. No investigation assessment done. Vaccination facility type was hospital, it was not military facility. Prior Vaccinations (within 4 weeks) was none. She received her first Pfizer COVID-19 Vaccine shot on Monday, 08Mar2021. Since she had the COVID-19 Vaccine, she had been really, really sick, and asked how long was she going to feel that way. She started to feel sick the next day (09Mar2021), and couldn't even lift her arms. She was running a fever, and had a lot of chills. On the 3rd day (10Mar2021), she had a headache and her body ached. It was just a terrible feeling. Her symptoms come and go. Reported on Wednesday (10Mar2021) when she was feeling really sick. She was getting better on 12Mar2021. It was reported that one minute she would be okay, and the next minute she had chills. She really got cold, and it was a very bad cold feeling. She also had muscle pain, and fatigue up until the time of report. Her eyes were not as sharp as normal, and didn't know if that was because of the COVID-19 Vaccine. No emergency room required. No physician office visited required. It was reported that she had a video call scheduled with her doctor for 15Mar2021. She hadn't taken anything else, and had tried to rest. She said her daughter, who worked at a hospital, told her to take Tylenol instead of Ibuprofen. She took Kroger brand Ibuprofen 200mg tablets and couldn't tell if the Ibuprofen Lot Number was either 0GE2417A or OGE2417A, Expiry date: Apr2022, NDC Number: 30142-517-78. She said her daughter told her she didn't have to eat or drink anything with Tylenol, but with the Ibuprofen she had to have fluids and eat. The caller clarified she had not taken Tylenol. While the caller was reading the Ibuprofen 200mg product packaging information, she said her eyes were not as sharp as normal, and didn't know if that was because of the COVID-19 Vaccine. The 2nd dose would be on 29Mar2021 wanted to know if she could proceed with the 2nd dosing. Caller asked whether she need to get the second COVID-19 Vaccine dose. Caller was advised she would be transferred to Pfizer Medical Information for further assistance with her question. Therapeutic measures were taken as a result of events. The outcome of events muscle pain, and fatigue was unknown. The outcome of other events was not recovered.  No follow-up attempts are possible. No further information is expected.