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Report #2885616

Received Feb 16, 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
Male
Age
0.7 yrs
State
CA
Recovered
Unknown
Vaccinated
May 8, 2019
Onset
May 8, 2019
Days to onset
0
Hospital days

Vaccines (2)

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

Symptoms (2)

No adverse eventProduct administered to patient of inappropriate age

Symptom narrative

No symptoms reported/No additional AE; her son received his first dose of MMR II under the age of 1 year; This spontaneous report was received from a pharmacist who was also the patient's parent and referred to a 8 months male patient. The patient's pertinent medical history, concurrent conditions, drug reactions or allergies, and concomitant therapies were not reported. On 08-May-2019, under the age of 1 year due to travelling internationally, the patient was vaccinated with the first dose of Measles, Mumps, and Rubella (Wistar RA 27-3) Virus Vaccine, Live (M-M-R II) (dose, route of administration, anatomical site, lot# and expiration date not reported); the vaccine was reconstituted with sterile diluent (MERCK STERILE DILUENT) (lot# and expiration date not reported) as prophylaxis (Product administered to patient of inappropriate age). Afterwards, on 16-Sep-2019, the patient was vaccinated with the second dose of Measles, Mumps, and Rubella (Wistar RA 27-3) Virus Vaccine, Live (M-M-R II) (dose, route of administration, anatomical site, lot# and expiration date not reported); the vaccine was reconstituted with sterile diluent (MERCK STERILE DILUENT) (lot# and expiration date not reported) as prophylaxis. No symptoms reported, no additional adverse event (No adverse event). Batch/Lot number is being requested and will be submitted if received.

Other medications

MERCK STERILE DILUENT