Report #2887728

Received Mar 5, 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: Age unknown
State: TX
Recovered: Unknown
Vaccinated: Feb 25, 2026
Onset: Feb 25, 2026
Days to onset: 0
Hospital days: —

Vaccines (1)

Type	Name	Manufacturer	Dose	Lot	Route / Site
RV5	ROTAVIRUS (ROTATEQ)	MERCK & CO. INC.	UNK	2037483	—

Symptoms (2)

Expired product administeredNo adverse event

Symptom narrative

No additional AE; HCP calling to report an AE regarding the ROTATEQ vaccine. HCP reported that a patient was inadvertently administered an expired dose of the ROTATEQ vaccine on 02/25/2026. HCP reported that the vaccine expired on 02/23/2026. HCP stated that the ROTAT; This spontaneous report was received from a medical assistant and refers to a(n) patient of unknown age and gender. The patient's medical history was not reported. The patient's concurrent conditions were not reported. Concomitant therapies were not reported. On 25-Feb-2026, the patient was inadvertently vaccinated with an expired dose of Rotavirus Vaccine, Live, Oral, Pentavalent (Rotateq), lot #2037483, expiration date: 23-Feb-2026 (exact dose, route of administration and anatomical location were not provided) for prophylaxis (expired product administered). No additional adverse event reported (no adverse event).