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Report #2848702

Received Jul 7, 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
NJ
Recovered
Unknown
Vaccinated
Jun 29, 2021
Onset
Jun 29, 2021
Days to onset
0
Hospital days
—

Vaccines (2)

TypeNameManufacturerDoseLotRoute / Site
MMRMEASLES + MUMPS + RUBELLA (MMR II)MERCK & CO. INC.1T013725—
MMRMEASLES + MUMPS + RUBELLA (MMR II)MERCK & CO. INC.UNK——

Symptoms (1)

Antibody test negative

Symptom narrative

They drew titers and they are low; This spontaneous report was received from a pharmacy student on 01-Jul-2025and refers to an adult patient of unknown gender and age. The patient's medical history, concurrent conditions and concomitant therapies were not reported. On 29-Jun-2021, the patient was vaccinated with a first dose Measles, Mumps, and Rubella (Wistar RA 27-3) Virus Vaccine, Live (M-M-R II), (lot #T013725, expiration date: 21-Apr-2022) (dose and route of administration were not reported) for prophylaxis. The vaccine was reconstituted with sterile diluent (MERCK STERILE DILUENT) administered on the same date (dose, dose number, lot#, expiration date and route of administration were not reported) for prophylaxis. On 29-Jun-2021(conflicting information reported as the same date of vaccination by the reporter) an antibody test was performed and the result showed that the patient's titers drew, and they were low (Antibody test abnormal). At the reporting time, the outcome of the event was unknown. The causal relationship between the event, Measles, Mumps, and Rubella (Wistar RA 27-3) Virus Vaccine, Live (M-M-R II), and sterile diluent (MERCK STERILE DILUENT) was unknown.

Lab data

Test Date: 20210629; Test Name: They drew titers and they are low; Result Unstructured Data: They drew titers and they are low