doses administered 7 weeks apart; Low grade fever; Headache; sore arm; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP) from medical information team. The reporter is the parent.  A 5-year-old female patient received bnt162b2 (BNT162B2), administration date 24Feb2022 (Lot number: FL0007, Expiration Date: 31May2022) as dose 2 (tris), single for covid-19 immunisation. The patient's relevant medical history and concomitant medications were not reported. Vaccination history included: Bnt162b2 (1st dose, Lot number: FL00074), administration date: Jan2022, for COVID-19 Immunization. The following information was reported: INAPPROPRIATE SCHEDULE OF PRODUCT ADMINISTRATION (non-serious) with onset 24Feb2022, outcome "unknown", described as "doses administered 7 weeks apart"; PYREXIA (non-serious) with onset Feb2022, outcome "recovered" (Feb2022), described as "Low grade fever"; HEADACHE (non-serious) with onset Feb2022, outcome "recovered" (Feb2022), described as "Headache"; PAIN IN EXTREMITY (non-serious) with onset Feb2022, outcome "recovered" (Feb2022), described as "sore arm".  Additional information: The reporter has a 5-year-old and yesterday her daughter got the 2nd dose of the Pfizer COVID vaccine when they went to the pharmacy. Her daughter did have a reaction to it today, unlike with the 1st vaccine. When the reporter quickly glanced at her daughter's vaccine record card she noticed that the lot numbers were almost identical. The reporter's lot numbers on her vaccine record were completely different. Because of this the reporter stopped by the pharmacy and inquired about this with them and the pharmacy is looking into it too. They had mentioned a few things to her and she wanted to make sure she shared that and be sure that they were handling this correctly. The 1st thing was that the pharmacy thought that the patient's lot numbers should have been the same because the pharmacy was not doing as many 5 to 11-year-old vaccines. The pharmacy had said that it lasted, she guessed, 10 weeks in the fridge once it arrived to their location and she didn't ask them when it arrived there and she doesn't know if she needed to ask them that or not. The patient's 1st dose was in the beginning of Jan2021, about 7 weeks ago. When the caller was talking to the pharmacy even more they found out that the patient's 1st dose lot number might not even exist. They are looking into that because it is slightly different, the pharmacy might be calling too about this but she knows that they are super busy. She guessed that her question was, was it normal to have the same lot number administered 7 weeks apart. And not knowing when, but if it were past the 10 weeks in the fridge, does the efficacy change or will this dose still work for her daughter. Will there be any adverse events if the dose had been expired. Is there a way for the caller to give the lot numbers and see if the 1st one is right. Her daughter just had a reaction that was expected. Her daughter is totally fine now. The reason the reporter even looked at the vaccine card was because she wanted to make sure that "pediatric" was listed instead of adult and pediatric was listed. As the reporter is looking at her daughter now, she is playing and she is fine. It is just the normal things that everyone experiences from the 2nd dose. The reporter's concern was more about the lot number and as a parent should that be corrected. Her daughter had a low grade fever, headache and a sore arm.