Report #2863674

Overview

Sex

Female

Age

32 yrs

State

CA

Recovered

Unknown

Vaccinated

—

Onset

—

Days to onset

—

Hospital days

—

Symptoms (2)

Symptom narrative

patient received a dose of Boostrix instead of a dose of Infanrix; 32 months old patient received a dose of Boostrix instead of a dose of Infanrix; 32 months old patient received a dose of Boostrix instead of a dose of Infanrix; This non-serious case was reported by a nurse via call center representative and described the occurrence of wrong vaccine administered in a 32-month-old female patient who received DTPa (Reduced antigen) (Boostrix) (batch number ET475, expiry date 08-MAY-2026) for prophylaxis. Co-suspect products included DTPa (Infanrix) for prophylaxis. Previously administered products included Infanrix (had 3 prior doses of Infanrix on an unknown date). On an unknown date, the patient received Boostrix and did not receive Infanrix. On an unknown date, an unknown time after receiving Boostrix the patient experienced wrong vaccine administered (Verbatim: patient received a dose of Boostrix instead of a dose of Infanrix), underdose (Verbatim: 32 months old patient received a dose of Boostrix instead of a dose of Infanrix) and inappropriate age at vaccine administration (Verbatim: 32 months old patient received a dose of Boostrix instead of a dose of Infanrix). The outcome of the wrong vaccine administered, underdose and inappropriate age at vaccine administration were not applicable. This report is made by GSK without prejudice and does not imply any admission or liability for the incident or its consequences. Additional Information: GSK Receipt Date: 11-SEP-2025 Health center nurse called to report the maladministration of a dose of Tdap Boostrix instead of DTaP Infanrix to a 32 month old female patient. Reporter enquired that there was any advice on this to revaccinate and what were the safety protocols.