was tired; her joints were hurting; looked at the injection site on the top of her left arm and the site was red and inflamed and sore; looked at the injection site on the top of her left arm and the site was red; looked at the injection site on the top of her left arm and the site was red and inflamed; was getting really chilled; had a slight headache; This is a spontaneous report from a contactable female consumer (patient).A 66-year-old female patient received BNT162B2 (PFIZER-BIONTECH COVID-19 VACCINE, Solution for injection, Lot Number: EN6207, Expiration date: 31Jul2021), via unspecified route, administered in left arm on 19Mar2021 (at the age of 66-year-old) as 1st dose, single for COVID-19 immunization. The patient medical history includes diabetes mellitus (she was a diabetic and was diagnosed with diabetes about 2.5 years ago and takes Metformin twice per day) from 2018 and ongoing and covid-19 in Nov2020 (she did not have a severe case and did not go to the hospital but she was pretty sick with COVID). Concomitant medications include Metformin. reporter stated that she had the weirdest thing happen and she knows everyone was different but she is not calling to complain but knows Pfizer may be keeping records of these things. On 20Mar2021, 1 day after the vaccination around 4 pm, in the afternoon patient experienced chilled not fevered, states she was tired and her joints were hurting; states she looked at the injection site on the top of her left arm and the site was red and inflamed and sore and was not getting bigger but she finally got her smart phone and took a photo of the site and knows somebody told her to watch it to see if the redness and inflammation gets bigger. It was reported that she took Advil and all Saturday night she was chilled and went to bed early and did not feel good and had a slight headache and stated the tiredness, chills and headache are all gone. Patient reported that she was a little tired and would not say she was fatigued and did not feel like she did when she had COVID. She states that yesterday Sunday 21Mar2021, she felt better and did not lay down but thought she better take it easy and noticed the redness on her arm was about the same and she thought she probably should put ice on her arm but did not put ice on and put Cortisone cream on instead. Reports that she did not look at the redness on her arm on Friday and did not pay attention to it until Saturday when she was taking her pajamas off and then noticed it so she was unsure when the redness began. Reported that she does not want to bother her health care professional with this and was just calling to report what happened to her because some other people that have had COVID are having reactions to the first shot and not just for the Pfizer COVID Vaccine but also for the Johnson and Johnson vaccine; states she has no lot numbers, expiry dates, NDC numbers or patient information to provide for other patients that have had reactions to the Pfizer COVID Vaccine or the Johnson and Johnson vaccines. Patient states her sister-in-law had the Johnson and Johnson vaccine and had a worse reaction and was really sick on Saturday and states the indication was that she does not want to get sick like she was in Nov2020 and thought it was the right thing to do to get the Pfizer COVID Vaccine. Patient asked should she put ice on the injection site or what to do; and aware that Pfizer unable to provide treatment recommendation or medical advice, and she was referred to her health care professional regarding treatment recommendations. Outcome of the events was getting really chilled, was tired and headache was recovered on unspecified date in 2021. The outcome of events her joints were hurting, looked at the injection site on the top of her left arm and the site was inflamed and sore was unknown, and outcome of the event looked at the injection site on the top of her left arm and the site was red was not recovered.  No follow-up attempts possible. No further information expected.