Age: 80.0
Sex: F
Vaccine: FLU4
Symptoms: Extra dose administered, No adverse event
Clinical narrative: The patient got the HD flu shot on 15Sep2023 and is back in at their clinic today, 08Dec2023 for a different shot but due to miscommunication, the patient was given FLUZONE HD QIV again today with no reported adverse event; The patient got the HD flu shot on 15Sep2023 and is back in at their clinic today, 08Dec2023 for a different shot but due to miscommunication, the patient was given FLUZONE HD QIV again today with no reported adverse event; Initial information received on 08-Dec-2023 regarding an unsolicited valid  non-serious case received from a nurse.  This case involves a 80 years old female patient who got the Influenza Quadrival A-B High Dose Hv Vaccine [Fluzone High-Dose Quadrivalent] on 15sep2023 and is back in at their clinic today, 08dec2023 for a different shot but due to miscommunication, the patient was given fluzone hd qiv again today with no reported adverse event.  The patient's past medical history, medical treatment(s), vaccination(s) and family history were not provided.  Concomitant medications included Covid-19 Vaccine (Covid-19 Vaccine) for Prophylactic vaccination.  On 15-Sep-2023, the patient received Dose 1 of the same vaccine (with an unknown formulation, strength, lot number, expiry date) via unknown route in unknown administration site for immunization. On 08-Dec-2023, she also received dose 2 of suspect Influenza Quadrival A-B High Dose Hv Vaccine (lot number: U8130CA) (Expiry date: 30-Jun-2023) (Strength: standard) (Frequency: once) (with an unknown formulation) via intramuscular route in the deltoid not otherwise specified (nos) route for immunization.   On 08-Dec-2023, the patient got the Influenza Quadrival A-B High Dose Hv Vaccine [Fluzone High-Dose Quadrivalent] on 15sep2023 and is back in at their clinic today, 08dec2023 for a different shot but due to miscommunication, the patient was given fluzone hd qiv again today with no reported adverse event (wrong product administered, latency: same day) (extra dose administered, latency: 2 months 24 days).  It was reported, A nurse called and stated that they had an error in administering FLUZONE HD QIV shot. The patient got the HD flu shot on 15Sep2023 and is back in at their clinic today, 08Dec2023 for a different shot but due to miscommunication, the patient was given FLUZONE HD QIV again today. Caller asked for guidelines regarding 2 rounds of administration of FLZUONE HD QIV in the same season. The nurse stated that the patient was monitored for the 15-20 minutes and had no evidence of problems and so they were not seen after that   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.