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Report #2851435

Received Jul 28, 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
Male
Age
1.4 yrs
State
KS
Recovered
Unknown
Vaccinated
Jul 7, 2025
Onset
Jul 11, 2025
Days to onset
4
Hospital days
—

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
HBHEPBHIB + HEP B (COMVAX)MERCK & CO. INC.UNKX020943—

Symptoms (2)

Circumstance or information capable of leading to medication errorUnderdose

Symptom narrative

a full dose was not administered - Patient was struggling during administration.; a full dose was not administered - Patient was struggling during administration.; This spontaneous report was received from a healthcare professional and refers to a 17-month male patient. The patient's medical history was not reported. The patient's concurrent conditions were not reported. Concomitant therapies were not reported. On 07-Jul-2025, the patient received a not full dose of Haemophilus b Conjugate Vaccine (Meningococcal Protein Conjugate) (LIQUID PEDVAX HIB), Injection (lot #X020943, expiration date: 06-Mar-2026) 0.5 mL (.5 ml), due to the patient was struggling during administration. At the reporting time, the outcome of the events was unknown.