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Report #2899672

Received Jun 10, 2026

A note on interpretation. VAERS reports are unverified and may be incomplete or coincidental. A report does not establish that a vaccine caused an event, and counts should not be used to calculate incidence or infer causation. Full disclaimer

Overview

Sex
Unknown
Age
40 yrs
State
WI
Recovered
Unknown
Vaccinated
May 22, 2026
Onset
May 22, 2026
Days to onset
0
Hospital days

Vaccines (2)

TypeNameManufacturerDoseLotRoute / Site
DTAPDTAP (DAPTACEL)SANOFI PASTEURUNK3CA55C1
TDAPTDAP (ADACEL)SANOFI PASTEURUNK

Symptoms (2)

No adverse eventWrong product administered

Symptom narrative

patient was intended to receive ADACEL, but received DAPTACEL instead with no AE; Initial information received on 26-May-2026 regarding an unsolicited valid non-serious case received from a pharmacist. This case involves a 40-year-old patient of unknown gender who was intended to receive Diphtheria-2/Tetanus/5 AC Pertussis Vaccine [Adacel] but received Diphtheria-15/Tetanus/5 Ac Pertussis Vaccine [Daptacel] instead with no adverse event. The patient's past medical history, past drugs, vaccination(s), family history, and concomitant medications were not provided. On 22-May-2026, The patient was intended to receive Diphtheria-2/Tetanus/5 AC Pertussis Vaccine as suspension for injection of unknown strength but received an unknown dose of Diphtheria-15/Tetanus/5 Ac Pertussis Vaccine (once) as suspension for injection of strength standard (batch: 3CA55C1, expiry: 31-Aug-2026) via unknown route in unknown administration site for immunisation with no reported adverse event (Wrong product administered) (latency: same day). Action taken: Not applicable. 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.