Report #2890199

Received Mar 20, 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: Mar 19, 2026
Onset: Mar 19, 2026
Days to onset: 0
Hospital days: —

Vaccines (1)

Type	Name	Manufacturer	Dose	Lot	Route / Site
MMR	MEASLES + MUMPS + RUBELLA (MMR II)	MERCK & CO. INC.	UNK	Y004114	—

Symptoms (2)

Expired product administeredNo adverse event

Symptom narrative

No additional AE; an expired dose of MMR II that was administered to a patient.; This spontaneous report was received from a nurse and refers to a patient of unknown age and gender. The patient's medical history, concurrent conditions and concomitant therapies were not reported. On 19-Mar-2026, the patient was inadvertently vaccinated with Measles, Mumps, and Rubella (Wistar RA 27-3) Virus Vaccine, Live (M-M-R II), (valid lot #Y004114, expiration date: 12-Feb-2026) 0.5 mL (Two dose series), administered as prophylaxis (expired product administered). The vaccine was reconstituted with sterile diluent (Hollister-Stier STERILE DILUENT) solution for injection, (lot # and expiration date were not reported). No additional adverse event (AE) was reported.

Other medications

sterile diluent