Report #2851451

Received Jul 28, 2025

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: Female
Age: 90 yrs
State: —
Recovered: Unknown
Vaccinated: —
Onset: —
Days to onset: —
Hospital days: —

Vaccines (1)

Type	Name	Manufacturer	Dose	Lot	Route / Site
RSV	RSV (AREXVY)	GLAXOSMITHKLINE BIOLOGICALS	1	UNK	—

Symptoms (1)

Product preparation issue

Symptom narrative

Diluent was administered but antigen was not on accident; Diluent was administered but antigen wasn't on accident; This non-serious case was reported by a physician via sales rep and described the occurrence of inappropriate dose of vaccine administered in a 90-year-old female patient who received RSVPreF3 adjuvanted (Arexvy) for prophylaxis. On an unknown date, the patient received the 1st dose of Arexvy (unknown arm). On an unknown date, an unknown time after receiving Arexvy, the patient experienced inappropriate dose of vaccine administered (Verbatim: Diluent was administered but antigen was not on accident) and inappropriate preparation of medication (Verbatim: Diluent was administered but antigen wasn't on accident). The outcome of the inappropriate dose of vaccine administered and inappropriate preparation of medication were not applicable. Additional Information: GSK Receipt Date: 18-JUL-2025 Diluent was administered but antigen was not on accident which led to Inappropriate preparation of medication and Inappropriate dose of vaccine administered.