throwing up; iron deficiency; get itchy; like having the flu; Polycythemia rubra vera/high red blood cell count, all blood counts are out of whack; tired all the time; got sick with both; This is a spontaneous report received from contactable reporter(s) (Consumer or other non HCP). The reporter is the patient.  A 34-year-old male patient received BNT162b2 (BNT162B2), on 13May2021 as dose 2, single (Lot number: EW0167) at the age of 34 years, in right arm for covid-19 immunisation. The patient's relevant medical history was not reported. There were no concomitant medications. Vaccination history included: BNT162b2 (Dose 1, LOT: EW0162, Time: Noon exactly, Anatomical Site of injection: Believes Left arm, Route of Administration: Unknown), administration date: 22Apr2021, when the patient was 34-year-old, for COVID-19 immunization, reaction(s): "got sick with both", "Polycythemia rubra vera", "tired all the time", "throwing up", "high red blood cell count, all blood counts are out of whack", "iron deficiency", "get itchy". The following information was reported: ILLNESS (non-serious) with onset 13May2021, outcome "recovered" (May2021), described as "got sick with both"; FATIGUE (non-serious) with onset Jun2021, outcome "not recovered", described as "tired all the time"; POLYCYTHAEMIA VERA (medically significant) with onset Jul2021, outcome "not recovered", described as "Polycythemia rubra vera/high red blood cell count, all blood counts are out of whack"; VOMITING (non-serious), outcome "unknown", described as "throwing up"; IRON DEFICIENCY (non-serious), outcome "unknown"; PRURITUS (non-serious), outcome "unknown", described as "get itchy"; INFLUENZA LIKE ILLNESS (non-serious), outcome "unknown", described as "like having the flu". The events "polycythemia rubra vera/high red blood cell count, all blood counts are out of whack", "tired all the time", "throwing up", "iron deficiency", "get itchy", "got sick with both" and "like having the flu" required physician office visit.  Patient Believes he got cancer from the Pfizer COVID Vaccine.  Had bloodwork done in Jan2021, got the Pfizer COVID Vaccine in Apr2021 and May2021, then had bloodwork in Jul2021 and diagnosed with Polycythemia Rubra Vera causing high red blood cell count, all blood counts are out of whack, and iron deficiency. Has all sorts of medical problems.  Clarified other medical problems were prior to the Pfizer COVID Vaccine doses. Polycythemia rubra vera Causes him to be tired all the time and get itchy.  Clarified being tired all the time started before being diagnosed with Polycythemia rubra vera.  Attempted to clarify outcome. Got sick for a week with both jabs.  Only supposed to get sick with one of the jabs but got sick with both.  Caused him to be violently ill, throwing up, like having the flu on steroids for a week.   The patient underwent the following laboratory tests and procedures: Blood test: (Jan2021) Unknown results, notes: Bloodwork was clean prior to receiving the Pfizer COVID Vaccine doses; (Jul2021) Polycythemia Rubra Vera; Red blood cell count: (unspecified date) high. Therapeutic measures were taken as a result of polycythaemia vera, fatigue, vomiting, iron deficiency, pruritus, illness, influenza like illness. Treatment: Put on baby aspirin, 81mg once a day by mouth, pill form.; Sender's Comments: Linked Report(s) : US-PFIZER INC-202201336980 same product, patient and event, different dose;