She had 101 fever; Body aches; Chills; Pain in the neck; Headache/intense headache; She had migraine; This is a spontaneous report received from a contactable consumer or other non-health care professional (patient). A 39-years-old female patient received second dose of bnt162b2 (PFIZER-BIONTECH COVID-19 VACCINE, Formulation: Solution for injection, Batch/Lot Number: EL9269, Expiration Date: May2021) via an unspecified route of administration on 07Feb2021 (at the age of 39-years-old) as dose 2, single for COVID-19 immunisation. Medical history included none. There were no concomitant medications. The patient previously took first dose of bnt162b2 (PFIZER-BIONTECH COVID-19 VACCINE, Formulation: Solution for injection, Lot number: EL3247, Expiration date: May2021) via an unknown route of administration on 17Jan2021 as dose 1, single for COVID-19 immunisation and she had very mild side effects just body aches and stomach upset that subsided within 36 hours. After second dose, patient wanted to call instead of doing the self reporting thing and say it was awesome that they came up with the vaccine. She feels so fortunate to received it she works in a school setting but her side effects were pretty severe so she did want to report because if her feed back can help someone later she wants to report what she experienced. The second vaccine was the one she had the severe reaction to. It was sunday 07Feb2021. She got it in the afternoon. She felt fine until she went to bed, she went to bed at 10 PM, she woke up at 1 AM so that would has been monday morning on unknown date, experienced she had 101 fever. She was not too worried. She did not want to take pain killers because there were mixed reviews that it may mitigate the effects of the immune response so she just drank fluids. She started to get some body aches and headache and chills on unknown date. She ended up feeling better on monday morning. She went to work thinking it was over. Then she started feel lousy so she went home she was there a few days, her fever broke monday night but she had an intense headache. She said she had a 27 hour labor with her son she was not a baby, she has a pretty high pain threshold but this was a severe headache, she tried not to take pain killer she held off on even Tylenol and it got a little better then last night, Tuesday night she woke up in the middle of the night with excruciating pain in her neck it was like her whole neck was locked up on unknown date and she put a call in to her doctor to make sure he did not think it was something else. She ended up taking Tylenol and put more heat on it and it was tolerable enough for her to report to work today for the first time since monday. That morning it was a very intense pain in the neck, one of those things that she was not anticipating it being that strong. It was still worth it she would still do it all over she was not complaining but she did want to log it in one of her co-workers said if you feel that it was that severe you should probably let them know because they want to know. She was a single mom so she was cooking dinner too. The vaccine card just said May2021 it does not said anything else, she was assuming that was the expiration. She said for both first and second doses expiration was May2021. She just wanted to call because she thought they need to know. She really did not want complain she thinks it was amazing that they came up with the vaccine so quickly and she feels so luckily and fortunate to be a recipient. She said she was currently taking a low dose of Tylenol to get through the day she tried to come off of one dose and her headache started coming back and it was not as intense it was like a nagging kind of like at the base of her head, top of her neck area. She said at its height it was like someone was pressing her head in a press and it would not stop. She does not get a lot of headaches but she had migraines on unknown date and other headaches and this felt like a different type of headache. She said thank you again and she hopes, she was looking forward to being to protected she still plans on doing social distancing she was not going to be going out in a crowd any time soon but she thinks she would feel a lot safer having been vaccinated. She will not be clubbing anytime soon. Treatment was received for the events neck and headache as Tylenol. The patient underwent lab tests and procedures which included body temperature: 101 (she had 101 fever), laboratory test: normal (She just had normal labs a few months ago. She was perfectly healthy and it coincided with the timing of the vaccine) on unknown date. The outcome of the events was reported as unknown.  Follow-up (12May2021): Follow-up attempts completed. No further information expected.