he suffered from adverse events as a result of the error; at the age of 34, patient was administered Fluzone High Dose Quadrivalent in error, instead of Fluzone Quadrivalent; at the age of 34, patient was administered Fluzone High Dose Quadrivalent in error, instead of Fluzone Quadrivalent; at the age of 34, patient was administered Fluzone High Dose Quadrivalent in error, instead of Fluzone Quadrivalent; Initial information received on 21-Apr-2021 regarding an unsolicited valid non-serious case from a patient via Medical Information (inquiry reference 00571004).  This case involves a 34 years old male patient, who was administered with INFLUENZA QUADRIVAL A-B HIGH DOSE HV VACCINE [FLUZONE HIGH-DOSE QUADRIVALENT]  in error, instead of INFLUENZA QUADRIVAL A-B VACCINE [FLUZONE QUADRIVALENT] (lot number and expiration date for both the suspects were not reported) via unknown route in unknown administration site for prophylactic vaccination on an unknown date (wrong product administered, product administered to patient of inappropriate age and overdose) and suffered from adverse events as a result of the error (adverse event).  The patient's past medical history, medical treatment(s), vaccination(s), concomitant medication(s) and family history were not provided.  It was a case of an actual medication error due to wrong vaccine administered, inappropriate age at vaccine administration and overdose (same day latency).  On an unknown date, the patient had developed a non-serious adverse events as a result of the error (adverse event), (unknown latency) following the vaccination.   The caller stated that his immunization chart shows that he received 2 doses of the Fluzone on the same date. It was reported that today (that is, on the day of reporting), the caller would like to receive documentation from Sanofi stating the exact number of cytokines that are in Fluzone Quadrivalent as well as Fluzone High Dose Quadrivalent. The caller wanted to know what is the safety threshold of someone of his age having received Fluzone High Dose Quadrivalent.   No laboratory data reported.  It was not reported if the patient received a corrective treatment.  At time of reporting, the outcome of adverse event was unknown.  This suspected adverse reaction report is submitted and classified as a medication error solely and exclusively to ensure the marketing authorization holder's compliance with the requirements. The classification as a medical error is in no way intended, nor should it be interpreted or construed as an allegation or claim made by the marketing authorization holder that any third party has contributed to or is to be held liable for the occurrence of this medication error.  Reported that, this inquiry was placed in proxy for further handling of only the medical inquiry of this case. The caller was advised as per the legal SRD (system Requirements Document) regarding requesting documentation or correspondence. The caller was in the Vaccination Compensation Program. The caller stated that he has an attorney and he needed specific documentation. The caller also stated that his VAERS (Vaccine Adverse Event Reporting System) documentation has him listed as a female and he needs this corrected- the caller entered his information into the VAERS system incorrectly. Case was reviewed and copied to legal.    There will be no information on the batch number for this case.