last night he got really bad night sweats, tremors, low grade fever, headache; last night he got really bad night sweats, tremors, low grade fever, headache; last night he got really bad night sweats, tremors, low grade fever, headache; last night he got really bad night sweats, tremors, low grade fever, headache; yesterday was having fatigue; thought maybe he has Covid/could be a mild infection; thought maybe he has Covid/could be a mild infection; panic attack; 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 6- year-old male patient received bnt162b2 (BNT162B2), administered in arm left, administration date 03Nov2021 (Batch/Lot number: unknown) at the age of 6 years as dose 1, single for covid-19 immunisation. Relevant medical history included: "ADD" (ongoing), notes: Diagnosed when he was 3; "Anxiety" (unspecified if ongoing). There were no concomitant medications. The following information was reported: suspected COVID-19 (medically significant), drug ineffective (medically significant) all with onset 17Nov2021, outcome "unknown" and all described as "thought maybe he has Covid/could be a mild infection"; night sweats (non-serious), tremor (non-serious), headache (non-serious) all with onset 18Nov2021, outcome "recovered" (18Nov2021) and all described as "last night he got really bad night sweats, tremors, low grade fever, headache"; pyrexia (non-serious) with onset 18Nov2021, outcome "recovered" (18Nov2021), described as "last night he got really bad night sweats, tremors, low grade fever, headache "; fatigue (non-serious) with onset 17Nov2021, outcome "recovered" (18Nov2021), described as "yesterday was having fatigue"; panic attack (non-serious) with onset Nov2021, outcome "unknown", described as "panic attack". Events details reported as follow: The patient received his first dose of the Pfizer Covid-19 vaccine on 03Nov2013. He didn't have any symptoms right away but last night he got really bad night sweats, tremors, low grade fever, headache and yesterday was having fatigue. Also reported as that last night he got the sweats and was trembling, and he was a little warm. Reporter asked "is it possible that he could have side effects from the vaccine 2 weeks from first dose?" He's fine now, this only happened last night, only lasted one night...reporter thought maybe he has Covid, he seems fine but reporter don't know where it came from. But it only lasted 1 night; it could be a mild infection, or it could be a side effect. He had night sweats around 3-4 am this morning. His sheets were drenched in sweat; reporter states this is how she felt after she got her vaccine. States that she thought he might have been having a panic attack, but it came and went all night, and she didn't think he would have sweat that much all night from a panic attack. States that he was a little fatigued yesterday more than normal, and he also had a headache in the middle of the night. His 2nd dose is due on 24Nov2021. Reporter reports it's the same kind of symptoms she had following her vaccine, but his was more delayed.   The lot number for BNT162B2 was not provided and will be requested during follow up.; Sender's Comments: Linked Report(s) : -PFIZER INC-202101621589 same reporter /product, similar events, different patient.