Terrible stomach pain; Couldn't feel both of her arms and fingers; premature ventricular contraction; This is a spontaneous report received from a contactable reporter(s) (Other HCP) from medical information team.  A 6 year-old female patient received bnt162b2 (COMIRNATY) (Batch/Lot number: unknown) as dose number unknown, single for covid-19 immunisation. The patient's relevant medical history and concomitant medications were not reported. The following information was reported: ABDOMINAL PAIN UPPER (non-serious), outcome "unknown", described as "Terrible stomach pain"; HYPOAESTHESIA (non-serious), outcome "unknown", described as "Couldn't feel both of her arms and fingers"; VENTRICULAR EXTRASYSTOLES (non-serious), outcome "unknown", described as "premature ventricular contraction".  Additional information-Caller stated that she had sent 7 children home with severe cardiac and neurological ae, some have gone to the hospital with cardiac with myocarditis diagnosis and PVC (premature ventricular contraction 6 years old) some of them are experiencing crushing chest pain, bilateral arm and finger numbness, bilateral leg numbness, one girl yesterday was suffering from all over body shakes, incontrollable that she can not control, what caller was seeing over the past week; first child caller sent home, right sidedness weakness, numbing and tingling in her arms and legs and she couldn't feel the right side of her face or her tongue with crushing stomach pain, other child that caller sent couldn't feel both of her arms and fingers and terrible stomach pain, child that was sent to hospital on Saturday, crushing chest pain, diagnosed with myocarditis and PVC, child yesterday, had uncontrollable body shake and could not stop them sent to the doctor, today was a crushing chest pain, bilateral weakness of the hands and arms weakness on the legs and Extreme exhaustion, Hemiparesis on the right side she could not feel the entire side of her body including tongue her face and her nose. Caller said that this happened in just one tiny school, all females. Age from 6-10. Caller also said that also caller know the ingredients for the children vaccine are a little bit different there was tromethamine in the pediatric doses caller was wondering why that was added in because caller have given that to her cardiac arrest patients at hospital after they crashed they gave that as metabolic acidosis reducer so that they would not had another heart attack. They did not used it as a buffer in the hospital on their patient they used it as an ingredient to stop cardiac arrest from happening again it was a metabolic acidosis reducer we gave it in the ICU to patients that were coding that a very toxic chemical to be putting in a children pediatric medication it was not used as a buffer caller know that for a fact because caller had given it personally herself to dead patients that we are trying to bring back to life. Caller also asked if there was a different ingredient within the FDA approved and emergency used. Caller was wondering why TROMETHAMINE is added to pediatric doses. Caller stated, "Pfizer using a false information and saying it is added as a buffer so they can cover rear ends because of all these kids getting these horrific side effects, there's many other buffer to be added cause why not added it to the adult one. Caller wanted to know if the pediatric doses have seen some severe side effects in 5-11 age group already. Caller also asked if these are typical side effects of the Pfizer covid-19 vaccine (pediatric).  No follow-up attempts are possible; information about lot/batch number cannot be obtained. No further information is expected.