Sex: F
Vaccine: TDAP
Symptoms: Exposure during pregnancy, No adverse event
Clinical narrative: Patient was 11 weeks pregnant with no reported adverse event; Adacel was given to the wrong patient with no reported adverse event; Initial information received on 04-Feb-2022 regarding an unsolicited valid non-serious case received from an other health professional.  This case involves a 23 years old female patient who was exposed diphtheria-2/tetanus/5 ac pertussis vaccine (Adacel) was given to the wrong patient with no reported adverse event and patient was 11 weeks pregnant with no reported adverse event occurred at unknown gestation period; the gestation period at onset and gestation period at exposure data needs to be populated, if available.  The patient's past medical history, medical treatment(s), vaccination(s) and family history were not provided. Data regarding this pregnancy were received prospectively, i.e. before pregnancy outcome was known. The date of last menstrual period was not reported. The estimated due date was not reported. The patient had previous pregnancy/ies was not reported.   On 02-Feb-2022, the patient received suspension for injection of suspect diphtheria-2/tetanus/5 ac pertussis vaccine at a dose of 0.5ml once (1x) with lot U7184AA via intramuscular route in the right deltoid for prophylactic vaccination (Immunization).  On 02-Feb-2022 the patient developed a non-serious "adacel was given to the wrong patient with no reported adverse event (wrong patient received product)" (latency: same day) following the administration of diphtheria-2/tetanus/5 ac pertussis vaccine. On an unknown date the patient developed a non-serious "patient was 11 weeks pregnant with no reported adverse event (exposure during pregnancy) (latency: unknown)" following the administration of diphtheria-2/tetanus/5 ac pertussis vaccine.  It was reported that "the incorrect patient received a ADACEL vaccine. The Medical Information agent confirmed the spelling of demographics with the caller for accuracy. Caller states that she is calling to report an incident that happened on 02feb2022. Adacel was given to the wrong patient. She received it 2 weeks early. Patient was 11 weeks pregnant at the time".   Action taken: not applicable.  It was not reported if the patient received a corrective treatment for the events (Adacel was given to the wrong patient with no reported adverse event, Patient was 11 weeks pregnant with no reported adverse event).  At time of reporting, the outcome was Unknown for the event adacel was given to the wrong patient with no reported adverse event and was Unknown for the event patient was 11 weeks pregnant with no reported adverse event. Additionally, at time of reporting, the outcome of the pregnancy is 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 set out in the guidelines. 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.