I am little bit kind of blurred vision because I normally  look at my key board and I do not need my glasses until I look at the computer screen; I thought I almost had the  flu then having this looming tension headache on the left side in my temporal area and on the right of the forehead or top of the crown; I am not back to myself physically and I also feel little foggy in the head; I thought I almost had the  flu then having this looming tension headache on the left side in my temporal area and on the right of the forehead or top of the crown; I don't feel my energy has  come back; ache and pain; I have began having a fever about 99.4 which went up to 99.6 on Saturday; I just also had diarrhea and I just do not feel well; I was extremely tired and my equilibrium was off on Friday; I just also had diarrhea and I just do not feel well; I was extremely tired and my equilibrium was off on Friday; This is a spontaneous report from a contactable consumer (Patient reported for herself).  A 59-year-old female patient received BNT162B2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE; solution for injection, Lot Number: EN6206; Expiration date: 30-JUN-2021) via unspecified route of administration, on 18Mar2021 (at the age of 59-year-old) as a dose 1, single for COVID-19 immunization. The patient medical history included occasional cold or may be sinus infection. The concomitant medication of the patient was not reported. On 19Mar2021 the patient experienced diarrhea and patient just do not feel well. Patient stated that she was extremely tired and her equilibrium was off on Friday. On 20Mar2021 the patient begun having a fever about 99.4 which went up to 99.6 on Saturday. Patient also reported that on an unspecified date she almost had flu then having this looming tension headache on the left side in her temporal area and on the right of the forehead or top of the crown. Patient stated that she was not back to herself physically and also feel little foggy in the head and this could be surprise to her which tributary to the vaccination. Patient wanted to wait it out and see how her headache was going away. Patient was taking Tylenol every day, 6 hours part and was even awakened in the night to make sure to take the Tylenol. Patient was getting little bit of relief tension headache and felt like it gets little better and it comes on again. Patient reported that she started feeling achy and pain and took Advil (liquid gel) 200 mg each. Patient stated that she don't feel her energy has come back, patient felt like she was exerting herself because her room was on the second level of school and after come up the stairs she was gasping more, its consistent and felt more tired like yesterday. Patient came home and tried to cook dinner and started feeling light headed and wanted to lay down. Patient also reported that she had little bit kind of blurred vision because she normally looked at her key board and do not need her glasses until patient look at the computer screen but even the computer board and print patient needed to put glasses on now so patient was having a little bit of what she called blurred vision. The patient received the treatment of Tylenol capsule 500 mgs primarily for the headache, twice a day and Advil (liquid gel) 200mg each for ache and pain. The patient underwent lab tests and procedures which included Body temperature: on 19Mar2021 it was 99.4 and on 20Mar2021 it was 99.6. 2nd shot was due on 08Apr2021. Outcome of the event tiredness was not recovered and that of the other events were unknown.  No follow-up attempts are possible. No further information is expected.