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Report #2879041

Received Dec 22, 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
Unknown
Age
Age unknown
State
PA
Recovered
Unknown
Vaccinated
—
Onset
—
Days to onset
—
Hospital days
—

Vaccines (2)

TypeNameManufacturerDoseLotRoute / Site
MMRMEASLES + MUMPS + RUBELLA (MMR II)MERCK & CO. INC.1——
MMRMEASLES + MUMPS + RUBELLA (MMR II)MERCK & CO. INC.2——

Symptoms (1)

Antibody test negative

Symptom narrative

to receive a revaccination with MMR II due to low titers after being fully vaccinated; This Spontaneous report was received from other health professional (medical assistant) and referred to a child patient of unknown age and gender. The patient's medical history, concurrent condition and concomitant medications were not reported. On an unknown date, the patient was vaccinated with measles, mumps, and rubella (wistar ra 27-3) virus vaccine, live lyophilizate (M-M-R II) (0.50 mL; formulation, strength, route, lot number and expiration date were not reported) two dose series for prophylaxis. The vaccine was reconstituted with sterile diluent (Hollister-Stier STERILE DILUENT) (lot # and expiration date were not reported). The patient came to their facility to receive a revaccination with measles, mumps, and rubella (wistar ra 27-3) virus vaccine, live lyophilizate (M-M-R II) due to low titers on an unknown date after being fully vaccinated (antibody test negative). The outcome of antibody test negative was not reported. The action taken with measles, mumps, and rubella (wistar ra 27-3) virus vaccine, live lyophilizate (M-M-R II) and sterile diluent (Hollister-Stier STERILE DILUENT) was not applicable. The causality between the event antibody test negative, measles, mumps, and rubella (wistar ra 27-3) virus vaccine, live lyophilizate (M-M-R II) and sterile diluent (Hollister-Stier STERILE DILUENT) was not reported. Lot # is being requested and will be submitted if received.

Other medications

sterile diluent

Lab data

Test Name: antibody test; Result Unstructured Data: low titers