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Report #2880640

Received Jan 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
0.3 yrs
State
TX
Recovered
Unknown
Vaccinated
Oct 18, 2025
Onset
Oct 18, 2025
Days to onset
0
Hospital days
—

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
RV5ROTAVIRUS (ROTATEQ)MERCK & CO. INC.UNK2117047OT

Symptoms (2)

No adverse eventProduct storage error

Symptom narrative

No additional AE/No PQC; Medical Assistant reported administration of improperly stored vaccines to multiple patients beginning on 10/2/2025; This spontaneous report was received from other health professional concerning a 4-months-old patient of unknown gender. The patient's pertinent medical history, past drug reactions or allergies, concurrent conditions and concomitant therapies were not provided. On 18-OCT-2025, the patient was vaccinated with an improper storage dose of Rotavirus Vaccine, Live, Oral, Pentavalent (ROTATEQ), (lot #2117047, expiration date: 18-May-2026) 0.5 mL, administered orally as prophylaxis. It was reported that the vaccine was improperly stored before administration (Product storage error). However, no adverse events were reported. This is one of multiple cases received from the same reporter (cross-referenced with case# 2346588)