Symptomtext
The patient received partial dose of vaccine with no adverse event; some if not all of the vaccine came out of the side of the syringe with no adverse event; Initial information received on 16-Nov-2021 regarding an unsolicited valid non-serious case from other health professional, consumer/ non health care professional and physician (under reference 00860005). This case involves a 14 years old male patient who received partial dose of INFLUENZA QUADRIVAL A-B VACCINE [FLUZONE QUADRIVALENT] (underdose), due to the needle was not tightly secured to the prefilled syringe and when they went to administer the vaccine, some if not all of the vaccine came out of the side of the syringe (syringe issue). The patient's medical history, medical treatment(s), vaccination(s) and family history were not provided. The patient had no other concomitant vaccines. On 13-Nov-2021, the patient received a partial dose of suspect INFLUENZA QUADRIVAL A-B VACCINE (Total, lot UJ775AA and expiration date: 30-Jun-2022) via intramuscular route in the left deltoid for prophylactic vaccination. It was a case of an actual medication error due to vaccine underdose and syringe leak (same day latency). It was reported "Caller stated that they believe the needle was not tightly secured to the prefilled syringe and when they went to administer the vaccine, some if not all of the vaccine came out of the side of the syringe. Caller asking if patient should receive another dose and if so, what time frame would they need to give dose in. A clinic reporting a medication error for FLUZONE QUADRIVALENT 0.5 mL prefilled syringe described as the vaccine squirting out the side between the needle attachment and the syringe tipe. The caller reported that it was hard to tell if the consumer received any of the dose and that the needle attached was a 25G X 1 inch needle." The clear location of the leakage was under the Luer-Lok adaptor, out of the vial stopper puncture mark. There were no signs of damage or tampering with the vial, stopper, flip seal and carton. At time of reporting, no adverse event reported.