VAERS Explorer
Back to explore

Report #2888438

Received Mar 10, 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
1 yrs
State
MD
Recovered
Unknown
Vaccinated
Jan 5, 2026
Onset
Jan 5, 2026
Days to onset
0
Hospital days

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
VARCELVARICELLA (VARIVAX)MERCK & CO. INC.UNKZ008430

Symptoms (2)

No adverse eventProduct storage error

Symptom narrative

No additional AE; Customer called to report TE. VARIVAX was administered; This spontaneous report was received from a nurse and refers to a 1-year-old patient of unknown gender. The patient's medical history, concurrent conditions and concomitant therapies were not reported. On 05-Jan-2026, the patient was vaccinated with Varicella Virus Vaccine Live (Oka-Merck) (VARIVAX REFRIGERATOR STABLE) injection (lot #Z008430 with valid expiration date reported as 06-May-2027) 0.5 mL (route of administration and vaccination site were not reported) administered for prophylaxis. The vaccine was reconstituted with sterile diluent, injection, (lot # Z002901 with valid expiration date reported as 25-Nov-2027) 0.7 mL (route of administration and vaccination site were not reported). A temperature excursion (TE) was reported (temperature: 14°F up to 46°F (17.44 F); time frame for 17 hours 30 minutes 0 seconds) (product storage error). There was no previous temperature excursion. No additional adverse event (AE) and no product quality complaint (PQC) was reported (no adverse event). This was on of several cases received from the same reporter.

Other medications

DILUENT MRK INJ