She has been experiencing fevers on and off and loss of sense of taste.; She states that her arm began hurting almost immediately after the injection/It just started aching like crazy down her finger tips; She is still sick; She states that her arm began hurting almost immediately after the injection/It just started aching like crazy down her finger tips; She was going crazy and has lost her taste buds; So much mucous is coming back up. She has some mucous and guesses that it is a mucous infection or something.; Slight sore throat on one side of the throat; Feeling miserable/She was going crazy; This is a spontaneous report from a contactable consumer.   A 91-year-old female patient received the first dose of BNT162B2 (PFIZER-BIONTECH COVID-19 MRNA VACCINE, Solution for injection, Batch/Lot Number: FA7N85), via an unspecified route of administration, administered in Arm Left (top part left arm) on 02Aug2021 (probably 13:00 in the afternoon) (age at vaccination was 91-year-old) as DOSE 1, SINGLE for covid-19 immunization. The medical history of the patient included stroke about 10 years ago, ongoing thyroid and she commented she was 91 and was slightly losing a little hearing. Patient concomitant medications included levothyroxine sodium (SYNTHROID), has been taking for years for thyroid and warfarin sodium (COUMADIN) for stroke, her doctor insists that she takes it all of the time. Had blood work a week or so before. Her kidneys and liver are excellent, her lungs are excellent. Her doctor said to keep doing what she was doing, that she was in good shape. Now, she is going downhill. Prior to vaccinations (within 4 weeks), patient Not, took any things. Patient stated that she was calling regarding the Pfizer shot that she got the first of this month. States that she does not know which one, that she got it at the withheld. Clarified that it was the Pfizer shot for the Covid virus. She got the shot Monday (02Aug2021), the first of the month (clarified date was 02Aug2021). She was going into a group at her church and about 100 people were going to be there, so she got the shot. She went Tuesday, Wednesday, Thursday and then Friday morning (07Aug2021), her arm started killing her where she got the shot. It was hurting her and then it finally left. Then, she got a fever and has had a fever for 11 days. She does not know what to do. She was going crazy and has lost her taste buds. What was she to do? During interaction she commented she was 91 and was slightly losing a little hearing. It started Friday that her arm starting killing her, hurting it was the whole arm. It just started aching like crazy down her finger tips. States she was still sick. She just wants to know what to do about this. Does she had Covid? She has been feeling miserable for 11 days with a fever. It hasn't gone past 99.6 but has gone down to 98.4. It goes up and down but doesn't go past 100. Caller was advised to contact her primary care provider for any medical advice. When probed for details about the pain in her arm she initially provided it started after the first, so it was 06Aug2021. She initially stated she has had it for 11 days, the pain in her arm. When probed for outcome, she later stated, the pain, she got it, it hurt like crazy and then went away that day, that morning. Then the fever set in. She confirmed the fever set in on 07Aug2021. It has gone up and down, every day and every night. It was still going on today. Patient called her doctor and he said to take some Tylenol. She took Tylenol for the fever and it kind of subsided and she felt a little better. Then, she got sleepy and went to sleep. The patient stated that, she has much mucous was coming back up. She has some mucous and guesses that it is a mucous infection or something. What a sad case. This has been going on for 11 days. She might have had a slight infection. She was not sure if it was infected. She has a slight sore throat on one side of the throat that she had before she went for the Covid. Clarified with the caller that the loss of her taste buds has been occurring during these 11 days. Water tastes bad, taste of food is terrible, it is terrible trying to eat anyway, sick. At the time of this report event arm began hurting almost immediately after the injection was recovered on an unknown date in Aug2021, events fevers on and off and still sick was not recovered other event outcome was unknown.