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Report #2881115

Received Jan 8, 2026

Office visit
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
78 yrs
State
—
Recovered
Unknown
Vaccinated
Dec 18, 2025
Onset
Dec 18, 2025
Days to onset
0
Hospital days
—

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
RSVRSV (MRESVIA)MODERNAUNK3041770—

Symptoms (1)

Expired product administered

Symptom narrative

mRESVIA(Respiratory Syncytial Virus Vaccine) Vaccine administration error- discovered that the mRESVIA vaccine (lot number 3041770) was administered after its published expiration date. Moderna, the vaccine manufacturer was contacted the vaccine administered on 12/18/25 from lot number 3041770 likely did not maintain the activity necessary to elicit an immune response against the respiratory syncytial virus (RSV) at time of administration Recommend patient receive a replacement dose of RSV vaccine to ensure patients are properly protected against RSV. Disclosure made to the patient and also schedule an appt for patient revaccinate