her doctor gave her the Flublok when she requested the Fluzone; Initial information was regarding an unsolicited valid non serious case was received from a consumer/non-healthcare professional via Agency (Reference number- 00813054) and transmitted to Sanofi on 14-Oct-2021.  This case involves a 60-year-old female patient who received INFLUENZA QUADRIVALENT RECOMBINANT VACCINE [FLUBLOK QIV] instead of INFLUENZA USP TRIVAL A-B HIGH DOSE SUBVIRION VACCINE [FLUZONE HIGH DOSE] (wrong product administered).  The patient's medical history included immunodeficiency, non-tobacco user, pneumonia with was in the hospital for pneumonia in the past and had complications and clostridium difficile infection.  At the time of the event, the patient had ongoing Diabetes mellitus and Chronic respiratory disease.  The patient's past medical treatment(s), vaccination(s), concomitant medications and family history were not provided.   On an unknown date, the patient received a 0.5 mL dose of suspect INFLUENZA QUADRIVALENT RECOMBINANT VACCINE (lot number and expiry date not reported) via an unknown route at an unknown administration site for prophylactic vaccination.  It was an actual medication error due to wrong product administered (latency: same day).   It was reported "she is very upset that her doctor gave her the Flublok when she requested the Fluzone. She is 60 years old and is immunocompromised, she states she has had the pneumonia vaccine many times as well as booster shots, she stated that she was in the hospital for pneumonia in the past and had complications, C-Diff and nearly died, she stated she got her Flu vaccine in September 2021 and though it was the high-dose, she states the sales representative should inform the staff about the high-dose because most of the patients are over the age of 65, she is left being very skeptical and angry. She is a force of nature and demanded to see the vaccine inventory and noted there was no high dose, she states that she paid $65.00 for a flu shot, she questioned when she could receive the Fluzone High-Dose and was told that it's not recommended to take multiple flu vaccines during one season, she blames the sales reps for not giving comprehensive education to the staff when the practice is mostly elderly people. She states she was in her bunker last year and did not get the flu, she states she wears a mask and gloves even before the pandemic, she states that specific area is a cesspool and that we are only getting half of the information. She wants to report the practice for not providing the Fluzone High-Dose Quadrivalent, she states she is a diabetic, does not smoke, but has chronic lung issues".  At time of reporting, no adverse event reported.  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 set out in the Directive 2001/83/EC and Module VI of the Good Pharmacovigilance Practices. 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.  There will be no information available on the batch number for this case.