The second Pfizer vaccine is about to kill my son / about to die; coma; heart pauses in a coma; seizures; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP). The reporter is the parent. A 23 year-old male patient received bnt162b2 (BNT162B2), administration date May2021 (Batch/Lot number: unknown) at the age of 23 years as dose 2, single for covid-19 immunisation. The patient had no relevant medical history. There were no concomitant medications. Vaccination history included: Bnt162b2 (Dose:01), for COVID-19 Immunization.  The following information was reported: COMA (hospitalization, medically significant, life threatening) with onset Jun2021, outcome "unknown", described as "coma"; CARDIAC DISORDER (hospitalization, life threatening) with onset Jun2021, outcome "unknown", described as "heart pauses in a coma"; SEIZURE (hospitalization, medically significant, life threatening) with onset Jun2021, outcome "unknown", described as "seizures"; NEAR DEATH EXPERIENCE (hospitalization, medically significant, life threatening), outcome "unknown", described as "The second Pfizer vaccine is about to kill my son / about to die". The patient was hospitalized for coma, cardiac disorder, seizure, near death experience (start date: 08Jan2022). The events "coma", "heart pauses in a coma" and "seizures" were evaluated at the physician office visit. The patient underwent the following laboratory tests and procedures: laboratory test: unknown results, notes: hundreds of tests, cannot figure out what is wrong. Therapeutic measures were taken as a result of coma, cardiac disorder, seizure.  No concomitant drug taken and all the prescription because he is in the hospital about to die and he has got all this things, he has prescription, all his prescription since Jun2021 and before he had to take no prescriptions and from Jun2021 on, he has had a 100 different visits with numerous prescriptions, I have got eleven pages of prescriptions that he has been given trying to fight the effects of this vaccine, eleven pages of them and if you guys can contact me, I can give this information to you, it is insane. For the last 6 months, since Jun2021, he had been going through hundreds of tests and for the last two weeks, he had been in the hospital, in intensive care unit in the (Withheld) (not clarified) and they are doing all kinds of test, hundreds of tests, they are doing it from last six, seven months and cannot figure out what is wrong." (not clarified further)  He went to the hospital two weeks ago, Saturday, it was 08Jan (not clarified) and he was still in the hospital (not clarified), he is in intensive care unit, neurology, he needs help and the doctor cannot figure out and this Pfizer vaccine and you guys need to contact the hospital. The reason of hospitalization not clarified further, hence event captured as per verbatim as he was in the hospital about to die; Has been in the hospital in intensive care unit and hospitalization checked as seriousness criteria) He got the first vaccine and then he got the second vaccine, that is it, all Pfizer.   The lot number for bnt162b2 was not provided and will be requested during follow up.