VAERS Explorer
Back to explore

Report #2884035

Received Feb 4, 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
Male
Age
4 yrs
State
IL
Recovered
Unknown
Vaccinated
Dec 5, 2025
Onset
Dec 5, 2025
Days to onset
0
Hospital days
—

Vaccines (2)

TypeNameManufacturerDoseLotRoute / Site
DTAPDTAP (DAPTACEL)SANOFI PASTEURUNK4CA03C2IM
DTAPIPVDTAP + IPV (KINRIX)GLAXOSMITHKLINE BIOLOGICALSUNKUNK—

Symptoms (3)

Expired product administeredExtra dose administeredWrong product administered

Symptom narrative

Patient received daptacel was supposed to receive kinrix but received both vaccines together; This non-serious case was reported by the other health professional via other manufacturer and described the occurrence of overdose in a 4-year-old male patient who received DTPa-IPV (Kinrix) for prophylaxis. Co-suspect products included Diphtheria vaccine toxoid, Pertussis vaccine acellular, Tetanus vaccine toxoid (Daptacel) (batch number 4CA03C2, expiry date 31-OCT-2025) for prophylaxis. Concomitant products included PROQUAD. On 05-DEC-2025, the patient received Kinrix and Daptacel (intramuscular) .5 ml. On 05-DEC-2025, an unknown time after receiving Kinrix and an unknown time after receiving Daptacel, the patient experienced overdose (Verbatim: Patient received daptacel was supposed to receive kinrix but received both vaccines together). The outcome of the overdose was not applicable. Additional Information: GSK Receipt Date: 20-JAN-2026 The reporter stated that no past medical history had been provided. The patient received Daptacel in the left thigh. The patient had been scheduled to receive Kinrix but received both vaccines on the same day. The reporter indicated that the Daptacel dose had been administered on 05-DEC-2025 and that the vaccine had expired on 31-OCT-2025. The batch number was not provided and a request for this information has been made.

Other medications

PROQUAD