Report #2871408

Received Nov 7, 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: 80 yrs
State: IL
Recovered: Unknown
Vaccinated: Oct 29, 2025
Onset: Oct 29, 2025
Days to onset: 0
Hospital days: —

Vaccines (1)

Type	Name	Manufacturer	Dose	Lot	Route / Site
VARZOS	ZOSTER (SHINGRIX)	GLAXOSMITHKLINE BIOLOGICALS	2	C9X3R	—

Symptoms (1)

Underdose

Symptom narrative

Underdose; This non-serious case was reported by a pharmacist via call center representative and described the occurrence of accidental underdose in a 80-year-old female patient who received Herpes zoster (Shingrix) (batch number C9X3R, expiry date 05-JUN-2027) for prophylaxis. Previously administered products included Shingrix (received first dose on 15-AUG-2025). On 29-OCT-2025, the patient received the 2nd dose of Shingrix. On 29-OCT-2025, an unknown time after receiving Shingrix, the patient experienced accidental underdose (Verbatim: Underdose). The outcome of the accidental underdose was not applicable. Additional Information: GSK receipt date: 29-OCT-2025 The reporter reported that pharmacy technician was administering a Shingrix shot when the needle came out and smaller volume was administered to the patient. This was the second shot, first was administered back on 15th August 2025. The reporter wanted to know if revaccination was needed and when to do it.