Report #2852139

Received Aug 1, 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: Female
Age: 45 yrs
State: FL
Recovered: Unknown
Vaccinated: Jul 9, 2025
Onset: Jul 9, 2025
Days to onset: 0
Hospital days: —

Vaccines (2)

Type	Name	Manufacturer	Dose	Lot	Route / Site
VARCEL	VARICELLA (VARIVAX)	MERCK & CO. INC.	UNK	Z004454	OT
VARCEL	VARICELLA (VARIVAX)	MERCK & CO. INC.	UNK	—	OT

Symptoms (2)

No adverse eventProduct storage error

Symptom narrative

No additional AE; VARIVAX involved in temperature excursion has been administered; This spontaneous report was received from a Medical Assistant and refers to a non-pregnant 45-year-old female patient. The patient's medical history, concurrent conditions and concomitant therapies were not reported. On 09-Jul-2025, the patient was vaccinated with Varicella Virus Vaccine Live (Oka-Merck) (VARIVAX), (lot #Z004454, expiration date: 13-Feb-2027) 1 dose. The vaccine was reconstituted with sterile diluent (MERCK STERILE DILUENT) (lot # and expiration date were not reported) administered by Unknown route for prophylaxis. The vaccine Varicella Virus Vaccine Live (Oka-Merck) (VARIVAX) was involved in temperature excursion of 36.5F during a time frame of 2 hours 21 minutes 0 seconds. There was no previous temperature excursion. No patient symptoms had been reported. This is one of several cases from the same source.