Administered the expired product with no reported adverse event; Initial information regarding an unsolicited valid non-serious case was received from nurse, physician and consumer/non-health care professional via Medical Information (Reference number- 00842654) and transmitted to Sanofi on 04-Nov-2021.  This case is linked to cases 2021SA371630, 2021SA369738, 2021SA370209, 2021SA369789, 2021SA369789, 2021SA369806, 2021SA369806 and 2021SA371632 (same reporter).  This case involves a 71 year old female patient who received expired dose of INFLUENZA QUADRIVAL A-B MULTIDOSE VACCINE PRESERVED [FLUZONE] (expired product administered)  The patient's past medical history, medical treatment(s), vaccination(s) and family history were not provided.   On 03-Nov-2021, the patient received a 0.5ml dose of suspect INFLUENZA QUADRIVAL A-B MULTIDOSE VACCINE PRESERVED (Frequency = once) (Strength = standard) (lot: UJ507AC and expiry date: 30-Jun-2021) via unknown route in an unknown administration site for prophylactic vaccination (expired product administered).  It was reported "The Medical Information agent confirmed the spelling of demographics with the caller for accuracy. The caller reported that her facility orders Fluzone Quad directly from Sanofi and in their shipment of 2021-2022 product they received vials of 2020-2021. The caller reported that some staff and residents were administered the expired product and she wants to know what to do. A Nurse reporting a medication error described as 20-staff members and 7-Residents received expired doses of FLUZONE QUADRIVALENT MDV from 2020-2021 year after receiving these 6-vials of the FLUZONE QUADRIVALENT MDV in the current years flu vaccine shipment. The Nurse reported that the 20-staff members received the dose since the end of Oct2021; that the information on the staff members are not known, at the time of this report; that the staff has had no reports of adverse issues since dosing; that the 6-Residents received their dose on 03Nov2021; that the information for the residents is known to the reporter; that the residents have had no reports of adverse issues since dosing. The Nurse reported that the doses came shipped to their central supply; that then the vaccines were distributed and placed in the vaccine refrigerators through the facility; that she is not the person that receives the vaccines from shipping and that she does not have the packaging slips or boxes due to it is handled with central supply; that when their staff is administering a vaccine the expiration date is not noted prior to administration; that the expiration date is not documented but just the lot number; that the staff is not looking at the expiration date when administering; and that a nurse, yesterday, saw the expiration date to be expired after vaccinating residents".  This case was an actual medication error due to expired vaccine used (latency: same day).  At the time of reporting, no adverse event.  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.