aching of legs; tongue and throat hurting; tongue and throat hurting; can not eat; extremely dizzy; ringing in the ears; legs and muscles hurt; stomach is hurting; fever; sick; her daughter generally feels bad; headache; her mouth is hurting really bad; This is a spontaneous report received from contactable reporter(s) (Consumer or other non HCP) from medical information team. The reporter is the parent.  A 11 year-old female patient received bnt162b2 (BNT162B2), administered in arm left, administration date Dec2021 (Batch/Lot number: unknown) as dose 2, single for covid-19 immunisation; influenza vaccine (FLU), administration date Dec2021 (Batch/Lot number: unknown) for immunisation. The patient's relevant medical history was not reported. There were no concomitant medications. Vaccination history included: Bnt162b2 (Dose 1), for COVID-19 Immunization. The following information was reported: PAIN IN EXTREMITY (non-serious) with onset Dec2021, outcome "not recovered", described as "aching of legs"; GLOSSODYNIA (non-serious), OROPHARYNGEAL PAIN (non-serious) all with onset Dec2021, outcome "not recovered" and all described as "tongue and throat hurting"; EATING DISORDER (non-serious) with onset Dec2021, outcome "not recovered", described as "can not eat"; DIZZINESS (non-serious) with onset Dec2021, outcome "not recovered", described as "extremely dizzy"; TINNITUS (non-serious) with onset Dec2021, outcome "not recovered", described as "ringing in the ears"; MYALGIA (non-serious) with onset Dec2021, outcome "not recovered", described as "legs and muscles hurt"; ABDOMINAL PAIN UPPER (non-serious) with onset Dec2021, outcome "not recovered", described as "stomach is hurting"; PYREXIA (non-serious) with onset Dec2021, outcome "recovered", described as "fever"; ILLNESS (non-serious) with onset Dec2021, outcome "not recovered", described as "sick"; MALAISE (non-serious) with onset Dec2021, outcome "not recovered", described as "her daughter generally feels bad"; HEADACHE (non-serious) with onset Dec2021, outcome "not recovered", described as "headache"; ORAL PAIN (non-serious) with onset Dec2021, outcome "not recovered", described as "her mouth is hurting really bad". Relevant laboratory tests and procedures are available in the appropriate section.  Additional information: It was reported that within hours of receiving the second dose, callers daughter started to feel sick and the symptoms are ongoing. Symptoms reported include aching of legs, tongue and throat hurting, can not eat, extremely dizzy, ringing in the ears, legs and muscles hurt, stomach is hurting, and fever. The fever had now gone away but all the other symptoms are all still there and her daughter generally feels bad, her daughter started to feel sick within hours of taking the shot, she has been sick for 1 week all day and everyday, she is not feeling better at all. her daughters ears were ringing so bad she could not hear her teacher talk. Caller states her daughter was fine before the shot, has no medical condition, she was a normal 10 year old and had nothing to be concerned about, she was not sick. Caller states she already took her daughter to the doctor twice where they did a Covid test, a Strep test, a flu test and she has none of those. It has been 7 days and not getting any better which is not normal. Caller states she was sick for 3 days after getting the vaccine and her other two children were fine, her parents were fine but her youngest is not fine after receiving the second dose. Caller would like to know how long the symptoms should last, it has been a week and is asking if they should have already gone away or is it common for these symptoms to last this long. The patients symptoms never went away and she was aching in her legs, extremely sick, her tongue and throat are hurting and she can't eat, states the patient also is extremely dizzy, has ringing in her ears really bad to the point that she is not able to hear people when they are talking sometimes and her legs and muscles hurt and her muscles hurt within hours of the covid shot. She was about to take the patient to her 2nd doctors appointment visit and the patient does not have covid and does not have the flu or strep and they can not figure out what is wrong and she wanted to ask for information regarding the patients symptoms. The patients symptoms have been going on for a over a week. The patients 2nd dose of the Pfizer Covid vaccine was administered one week ago and she got that dose on 08Dec2021 or 09Dec2021 and the symptoms began after this 2nd dose, for the patients 1st dose of the Pfizer Covid vaccine she does not know the date of administration and it was 2-3 weeks before the patients 2nd dose of the vaccine. Caller states the patients reported events all began within hours of having the 2nd dose of the Pfizer Covid vaccine and she was running fever and within hours of the shot and the only thing she was concerned about was the patient was extremely dizzy and online it said that coudl be normal so the caller called the hospital and they said people handle the vaccine differently and they had people that were dizzy; states the patient's symptoms are ongoing and the aching, extreme ringing in the ears, her mouth is hurting really bad and she has a headache and is just genuinely is feeling bad; states the patient is not still having fever but her stomach is really hurting really bad and the patient is having all the other symptoms but not the fever. Caller states the only thing that happened with the patient is that she got the flu shot and the Pfizer Covid shot 2nd dose at the same time and the other children did not do that and the patient was the only child that got sick; caller states she has no name of the flu shot, manufacturer, lot, expiry date or NDC to provide. States for the patient, the reported events are not going away so it is worrying her.   The lot number for bnt162b2 was not provided and will be requested during follow up.